Running ‘testthat.R’ [90s/91s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > # This file is part of the standard setup for testthat.
  > # It is recommended that you do not modify it.
  > #
  > # Where should you do additional test configuration?
  > # Learn more about the roles of various files in:
  > # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
  > # * https://testthat.r-lib.org/articles/special-files.html
  > 
  > library(testthat)
  > library(talib)
  Loading {talib} v0.9.2
  > 
  > test_check("talib")
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  [ FAIL 484 | WARN 10 | SKIP 0 | PASS 2108 ]
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure ('test-charting.R:11:2'): Charting ──────────────────────────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:18:2'): Charting ──────────────────────────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:27:2'): Charting ──────────────────────────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Error ('test-charting.R:42:2'): chart() reset clears environment ────────────
  Error: Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  Backtrace:
      ▆
   1. ├─talib::chart(BTC) at test-charting.R:42:9
   2. └─talib:::chart.default(BTC)
   3.   └─talib:::assert_plotly_pkg()
  ── Failure ('test-charting.R:57:2'): Charting with Themes ──────────────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:64:2'): Charting with Themes ──────────────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:71:2'): Charting with Themes ──────────────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:78:2'): Charting with Themes ──────────────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:113:2'): Multi-indicator mode plotly ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:120:2'): Multi-indicator mode plotly ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-charting.R:127:2'): Multi-indicator mixed types plotly ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:134:2'): Multi-indicator mixed types plotly ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-charting.R:152:2'): Standalone indicator plotly ──────────────
  Expected `indicator(RSI, data = BTC, n = 14)` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:156:2'): Standalone indicator plotly ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-charting.R:287:2'): Mixed patterns and indicators plotly ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-charting.R:297:2'): Mixed patterns and indicators plotly ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Error ('test-state-isolation.R:6:3'): function-body state is isolated from other function bodies ──
  Error: Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  Backtrace:
      ▆
   1. └─talib (local) fa() at test-state-isolation.R:14:9
   2.   ├─talib::chart(BTC) at test-state-isolation.R:6:17
   3.   └─talib:::chart.default(BTC)
   4.     └─talib:::assert_plotly_pkg()
  ── Error ('test-state-isolation.R:29:3'): local() blocks don't share state with siblings ──
  Error: Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  Backtrace:
      ▆
   1. └─base::eval(...)
   2.   └─base::eval(...)
   3.     ├─talib::chart(BTC) at test-state-isolation.R:29:17
   4.     └─talib:::chart.default(BTC)
   5.       └─talib:::assert_plotly_pkg()
  ── Error ('test-state-isolation.R:41:3'): chart() with no args clears state in caller's frame ──
  Error: Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  Backtrace:
      ▆
   1. └─talib (local) f() at test-state-isolation.R:46:9
   2.   ├─talib::chart(BTC) at test-state-isolation.R:41:17
   3.   └─talib:::chart.default(BTC)
   4.     └─talib:::assert_plotly_pkg()
  ── Error ('test-state-isolation.R:53:2'): standalone indicator() gets transient state that doesn't leak ──
  Error: Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  Backtrace:
      ▆
   1. ├─talib::indicator(RSI, data = BTC) at test-state-isolation.R:53:9
   2. └─talib:::indicator.function(RSI, data = BTC)
   3.   └─talib:::assert_plotly_pkg()
  ── Failure ('test-ta_ACCBANDS.R:155:2'): <plotly>-methods for <data.frame> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ACCBANDS.R:164:2'): <plotly>-methods for <data.frame> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ACCBANDS.R:173:2'): <plotly>-methods for <matrix> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ACCBANDS.R:182:2'): <plotly>-methods for <matrix> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_AD.R:155:2'): <plotly>-methods for <data.frame> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_AD.R:164:2'): <plotly>-methods for <data.frame> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_AD.R:173:2'): <plotly>-methods for <matrix> ───────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_AD.R:182:2'): <plotly>-methods for <matrix> ───────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ADOSC.R:158:2'): <plotly>-methods for <data.frame> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ADOSC.R:167:2'): <plotly>-methods for <data.frame> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ADOSC.R:176:2'): <plotly>-methods for <matrix> ────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ADOSC.R:185:2'): <plotly>-methods for <matrix> ────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ADX.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ADX.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ADX.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ADX.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ADXR.R:158:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ADXR.R:167:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ADXR.R:176:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ADXR.R:185:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_APO.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_APO.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_APO.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_APO.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_AROON.R:155:2'): <plotly>-methods for <data.frame> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_AROON.R:164:2'): <plotly>-methods for <data.frame> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_AROON.R:173:2'): <plotly>-methods for <matrix> ────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_AROON.R:182:2'): <plotly>-methods for <matrix> ────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_AROONOSC.R:155:2'): <plotly>-methods for <data.frame> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_AROONOSC.R:164:2'): <plotly>-methods for <data.frame> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_AROONOSC.R:173:2'): <plotly>-methods for <matrix> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_AROONOSC.R:182:2'): <plotly>-methods for <matrix> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ATR.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ATR.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ATR.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ATR.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_BBANDS.R:155:2'): <plotly>-methods for <data.frame> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_BBANDS.R:164:2'): <plotly>-methods for <data.frame> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_BBANDS.R:173:2'): <plotly>-methods for <matrix> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_BBANDS.R:182:2'): <plotly>-methods for <matrix> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_BOP.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_BOP.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_BOP.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_BOP.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CCI.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CCI.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CCI.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CCI.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL2CROWS.R:155:2'): <plotly>-methods for <data.frame> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL2CROWS.R:164:2'): <plotly>-methods for <data.frame> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL2CROWS.R:173:2'): <plotly>-methods for <matrix> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL2CROWS.R:182:2'): <plotly>-methods for <matrix> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3BLACKCROWS.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3BLACKCROWS.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3BLACKCROWS.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3BLACKCROWS.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3INSIDE.R:155:2'): <plotly>-methods for <data.frame> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3INSIDE.R:164:2'): <plotly>-methods for <data.frame> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3INSIDE.R:173:2'): <plotly>-methods for <matrix> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3INSIDE.R:182:2'): <plotly>-methods for <matrix> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3LINESTRIKE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3LINESTRIKE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3LINESTRIKE.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3LINESTRIKE.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3OUTSIDE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3OUTSIDE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3OUTSIDE.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3OUTSIDE.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3STARSINSOUTH.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3STARSINSOUTH.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3STARSINSOUTH.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3STARSINSOUTH.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3WHITESOLDIERS.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3WHITESOLDIERS.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDL3WHITESOLDIERS.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDL3WHITESOLDIERS.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLABANDONEDBABY.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLABANDONEDBABY.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLABANDONEDBABY.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLABANDONEDBABY.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLADVANCEBLOCK.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLADVANCEBLOCK.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLADVANCEBLOCK.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLADVANCEBLOCK.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLBELTHOLD.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLBELTHOLD.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLBELTHOLD.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLBELTHOLD.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLBREAKAWAY.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLBREAKAWAY.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLBREAKAWAY.R:173:2'): <plotly>-methods for <matrix> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLBREAKAWAY.R:182:2'): <plotly>-methods for <matrix> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLCLOSINGMARUBOZU.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLCLOSINGMARUBOZU.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLCLOSINGMARUBOZU.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLCLOSINGMARUBOZU.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLCONCEALBABYSWALL.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLCONCEALBABYSWALL.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLCONCEALBABYSWALL.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLCONCEALBABYSWALL.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLCOUNTERATTACK.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLCOUNTERATTACK.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLCOUNTERATTACK.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLCOUNTERATTACK.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDARKCLOUDCOVER.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDARKCLOUDCOVER.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDARKCLOUDCOVER.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDARKCLOUDCOVER.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDOJI.R:155:2'): <plotly>-methods for <data.frame> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDOJI.R:164:2'): <plotly>-methods for <data.frame> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDOJI.R:173:2'): <plotly>-methods for <matrix> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDOJI.R:182:2'): <plotly>-methods for <matrix> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDOJISTAR.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDOJISTAR.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDOJISTAR.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDOJISTAR.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDRAGONFLYDOJI.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDRAGONFLYDOJI.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLDRAGONFLYDOJI.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLDRAGONFLYDOJI.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLENGULFING.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLENGULFING.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLENGULFING.R:173:2'): <plotly>-methods for <matrix> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLENGULFING.R:182:2'): <plotly>-methods for <matrix> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLEVENINGDOJISTAR.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLEVENINGDOJISTAR.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLEVENINGDOJISTAR.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLEVENINGDOJISTAR.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLEVENINGSTAR.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLEVENINGSTAR.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLEVENINGSTAR.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLEVENINGSTAR.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLGAPSIDESIDEWHITE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLGAPSIDESIDEWHITE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLGAPSIDESIDEWHITE.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLGAPSIDESIDEWHITE.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLGRAVESTONEDOJI.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLGRAVESTONEDOJI.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLGRAVESTONEDOJI.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLGRAVESTONEDOJI.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHAMMER.R:155:2'): <plotly>-methods for <data.frame> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHAMMER.R:164:2'): <plotly>-methods for <data.frame> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHAMMER.R:173:2'): <plotly>-methods for <matrix> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHAMMER.R:182:2'): <plotly>-methods for <matrix> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHANGINGMAN.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHANGINGMAN.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHANGINGMAN.R:173:2'): <plotly>-methods for <matrix> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHANGINGMAN.R:182:2'): <plotly>-methods for <matrix> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHARAMI.R:155:2'): <plotly>-methods for <data.frame> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHARAMI.R:164:2'): <plotly>-methods for <data.frame> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHARAMI.R:173:2'): <plotly>-methods for <matrix> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHARAMI.R:182:2'): <plotly>-methods for <matrix> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHARAMICROSS.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHARAMICROSS.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHARAMICROSS.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHARAMICROSS.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHIGHWAVE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHIGHWAVE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHIGHWAVE.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHIGHWAVE.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHIKKAKE.R:155:2'): <plotly>-methods for <data.frame> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHIKKAKE.R:164:2'): <plotly>-methods for <data.frame> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHIKKAKE.R:173:2'): <plotly>-methods for <matrix> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHIKKAKE.R:182:2'): <plotly>-methods for <matrix> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHIKKAKEMOD.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHIKKAKEMOD.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHIKKAKEMOD.R:173:2'): <plotly>-methods for <matrix> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHIKKAKEMOD.R:182:2'): <plotly>-methods for <matrix> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHOMINGPIGEON.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHOMINGPIGEON.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLHOMINGPIGEON.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLHOMINGPIGEON.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLIDENTICAL3CROWS.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLIDENTICAL3CROWS.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLIDENTICAL3CROWS.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLIDENTICAL3CROWS.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLINNECK.R:155:2'): <plotly>-methods for <data.frame> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLINNECK.R:164:2'): <plotly>-methods for <data.frame> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLINNECK.R:173:2'): <plotly>-methods for <matrix> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLINNECK.R:182:2'): <plotly>-methods for <matrix> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLINVERTEDHAMMER.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLINVERTEDHAMMER.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLINVERTEDHAMMER.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLINVERTEDHAMMER.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLKICKING.R:155:2'): <plotly>-methods for <data.frame> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLKICKING.R:164:2'): <plotly>-methods for <data.frame> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLKICKING.R:173:2'): <plotly>-methods for <matrix> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLKICKING.R:182:2'): <plotly>-methods for <matrix> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLKICKINGBYLENGTH.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLKICKINGBYLENGTH.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLKICKINGBYLENGTH.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLKICKINGBYLENGTH.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLLADDERBOTTOM.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLLADDERBOTTOM.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLLADDERBOTTOM.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLLADDERBOTTOM.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLLONGLEGGEDDOJI.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLLONGLEGGEDDOJI.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLLONGLEGGEDDOJI.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLLONGLEGGEDDOJI.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLLONGLINE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLLONGLINE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLLONGLINE.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLLONGLINE.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMARUBOZU.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMARUBOZU.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMARUBOZU.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMARUBOZU.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMATCHINGLOW.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMATCHINGLOW.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMATCHINGLOW.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMATCHINGLOW.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMATHOLD.R:155:2'): <plotly>-methods for <data.frame> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMATHOLD.R:164:2'): <plotly>-methods for <data.frame> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMATHOLD.R:173:2'): <plotly>-methods for <matrix> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMATHOLD.R:182:2'): <plotly>-methods for <matrix> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMORNINGDOJISTAR.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMORNINGDOJISTAR.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMORNINGDOJISTAR.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMORNINGDOJISTAR.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMORNINGSTAR.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMORNINGSTAR.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLMORNINGSTAR.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLMORNINGSTAR.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLONNECK.R:155:2'): <plotly>-methods for <data.frame> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLONNECK.R:164:2'): <plotly>-methods for <data.frame> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLONNECK.R:173:2'): <plotly>-methods for <matrix> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLONNECK.R:182:2'): <plotly>-methods for <matrix> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLPIERCING.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLPIERCING.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLPIERCING.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLPIERCING.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLRICKSHAWMAN.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLRICKSHAWMAN.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLRICKSHAWMAN.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLRICKSHAWMAN.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLRISEFALL3METHODS.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLRISEFALL3METHODS.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLRISEFALL3METHODS.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLRISEFALL3METHODS.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSEPARATINGLINES.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSEPARATINGLINES.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSEPARATINGLINES.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSEPARATINGLINES.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSHOOTINGSTAR.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSHOOTINGSTAR.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSHOOTINGSTAR.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSHOOTINGSTAR.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSHORTLINE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSHORTLINE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSHORTLINE.R:173:2'): <plotly>-methods for <matrix> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSHORTLINE.R:182:2'): <plotly>-methods for <matrix> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSPINNINGTOP.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSPINNINGTOP.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSPINNINGTOP.R:173:2'): <plotly>-methods for <matrix> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSPINNINGTOP.R:182:2'): <plotly>-methods for <matrix> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSTALLEDPATTERN.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSTALLEDPATTERN.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSTALLEDPATTERN.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSTALLEDPATTERN.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSTICKSANDWICH.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSTICKSANDWICH.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLSTICKSANDWICH.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLSTICKSANDWICH.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTAKURI.R:155:2'): <plotly>-methods for <data.frame> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTAKURI.R:164:2'): <plotly>-methods for <data.frame> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTAKURI.R:173:2'): <plotly>-methods for <matrix> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTAKURI.R:182:2'): <plotly>-methods for <matrix> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTASUKIGAP.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTASUKIGAP.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTASUKIGAP.R:173:2'): <plotly>-methods for <matrix> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTASUKIGAP.R:182:2'): <plotly>-methods for <matrix> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTHRUSTING.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTHRUSTING.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTHRUSTING.R:173:2'): <plotly>-methods for <matrix> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTHRUSTING.R:182:2'): <plotly>-methods for <matrix> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTRISTAR.R:155:2'): <plotly>-methods for <data.frame> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTRISTAR.R:164:2'): <plotly>-methods for <data.frame> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLTRISTAR.R:173:2'): <plotly>-methods for <matrix> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLTRISTAR.R:182:2'): <plotly>-methods for <matrix> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLUNIQUE3RIVER.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLUNIQUE3RIVER.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLUNIQUE3RIVER.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLUNIQUE3RIVER.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLUPSIDEGAP2CROWS.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLUPSIDEGAP2CROWS.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLUPSIDEGAP2CROWS.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLUPSIDEGAP2CROWS.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLXSIDEGAP3METHODS.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLXSIDEGAP3METHODS.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CDLXSIDEGAP3METHODS.R:173:2'): <plotly>-methods for <matrix> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CDLXSIDEGAP3METHODS.R:182:2'): <plotly>-methods for <matrix> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CMO.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CMO.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_CMO.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_CMO.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_DEMA.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_DEMA.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_DEMA.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_DEMA.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_DX.R:155:2'): <plotly>-methods for <data.frame> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_DX.R:164:2'): <plotly>-methods for <data.frame> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_DX.R:173:2'): <plotly>-methods for <matrix> ───────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_DX.R:182:2'): <plotly>-methods for <matrix> ───────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_EMA.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_EMA.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_EMA.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_EMA.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_DCPERIOD.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_DCPERIOD.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_DCPERIOD.R:173:2'): <plotly>-methods for <matrix> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_DCPERIOD.R:182:2'): <plotly>-methods for <matrix> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_DCPHASE.R:155:2'): <plotly>-methods for <data.frame> ───
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_DCPHASE.R:164:2'): <plotly>-methods for <data.frame> ───
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_DCPHASE.R:173:2'): <plotly>-methods for <matrix> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_DCPHASE.R:182:2'): <plotly>-methods for <matrix> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_PHASOR.R:155:2'): <plotly>-methods for <data.frame> ────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_PHASOR.R:164:2'): <plotly>-methods for <data.frame> ────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_PHASOR.R:173:2'): <plotly>-methods for <matrix> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_PHASOR.R:182:2'): <plotly>-methods for <matrix> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_SINE.R:155:2'): <plotly>-methods for <data.frame> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_SINE.R:164:2'): <plotly>-methods for <data.frame> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_SINE.R:173:2'): <plotly>-methods for <matrix> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_SINE.R:182:2'): <plotly>-methods for <matrix> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_TRENDLINE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_TRENDLINE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_TRENDLINE.R:173:2'): <plotly>-methods for <matrix> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_TRENDLINE.R:182:2'): <plotly>-methods for <matrix> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_TRENDMODE.R:155:2'): <plotly>-methods for <data.frame> ──
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_TRENDMODE.R:164:2'): <plotly>-methods for <data.frame> ──
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_HT_TRENDMODE.R:173:2'): <plotly>-methods for <matrix> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_HT_TRENDMODE.R:182:2'): <plotly>-methods for <matrix> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_IMI.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_IMI.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_IMI.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_IMI.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_KAMA.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_KAMA.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_KAMA.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_KAMA.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MACD.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MACD.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MACD.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MACD.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MACDEXT.R:164:2'): <plotly>-methods for <data.frame> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MACDEXT.R:173:2'): <plotly>-methods for <data.frame> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MACDEXT.R:182:2'): <plotly>-methods for <matrix> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MACDEXT.R:191:2'): <plotly>-methods for <matrix> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MACDFIX.R:158:2'): <plotly>-methods for <data.frame> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MACDFIX.R:167:2'): <plotly>-methods for <data.frame> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MACDFIX.R:176:2'): <plotly>-methods for <matrix> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MACDFIX.R:185:2'): <plotly>-methods for <matrix> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MAMA.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MAMA.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MAMA.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MAMA.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MFI.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MFI.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MFI.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MFI.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MINUS_DI.R:155:2'): <plotly>-methods for <data.frame> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MINUS_DI.R:164:2'): <plotly>-methods for <data.frame> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MINUS_DI.R:173:2'): <plotly>-methods for <matrix> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MINUS_DI.R:182:2'): <plotly>-methods for <matrix> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MINUS_DM.R:155:2'): <plotly>-methods for <data.frame> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MINUS_DM.R:164:2'): <plotly>-methods for <data.frame> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MINUS_DM.R:173:2'): <plotly>-methods for <matrix> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MINUS_DM.R:182:2'): <plotly>-methods for <matrix> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MOM.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MOM.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_MOM.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_MOM.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_NATR.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_NATR.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_NATR.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_NATR.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_OBV.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_OBV.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_OBV.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_OBV.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_PLUS_DI.R:155:2'): <plotly>-methods for <data.frame> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_PLUS_DI.R:164:2'): <plotly>-methods for <data.frame> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_PLUS_DI.R:173:2'): <plotly>-methods for <matrix> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_PLUS_DI.R:182:2'): <plotly>-methods for <matrix> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_PLUS_DM.R:155:2'): <plotly>-methods for <data.frame> ──────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_PLUS_DM.R:164:2'): <plotly>-methods for <data.frame> ──────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_PLUS_DM.R:173:2'): <plotly>-methods for <matrix> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_PLUS_DM.R:182:2'): <plotly>-methods for <matrix> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_PPO.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_PPO.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_PPO.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_PPO.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ROC.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ROC.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ROC.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ROC.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ROCR.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ROCR.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ROCR.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ROCR.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_RSI.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_RSI.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_RSI.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_RSI.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_SAR.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_SAR.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_SAR.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_SAR.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_SAREXT.R:155:2'): <plotly>-methods for <data.frame> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_SAREXT.R:164:2'): <plotly>-methods for <data.frame> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_SAREXT.R:173:2'): <plotly>-methods for <matrix> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_SAREXT.R:182:2'): <plotly>-methods for <matrix> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_SMA.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_SMA.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_SMA.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_SMA.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_STOCH.R:155:2'): <plotly>-methods for <data.frame> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_STOCH.R:164:2'): <plotly>-methods for <data.frame> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_STOCH.R:173:2'): <plotly>-methods for <matrix> ────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_STOCH.R:182:2'): <plotly>-methods for <matrix> ────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_STOCHF.R:155:2'): <plotly>-methods for <data.frame> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_STOCHF.R:164:2'): <plotly>-methods for <data.frame> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_STOCHF.R:173:2'): <plotly>-methods for <matrix> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_STOCHF.R:182:2'): <plotly>-methods for <matrix> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_STOCHRSI.R:155:2'): <plotly>-methods for <data.frame> ─────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_STOCHRSI.R:164:2'): <plotly>-methods for <data.frame> ─────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_STOCHRSI.R:173:2'): <plotly>-methods for <matrix> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_STOCHRSI.R:182:2'): <plotly>-methods for <matrix> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_T3.R:155:2'): <plotly>-methods for <data.frame> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_T3.R:164:2'): <plotly>-methods for <data.frame> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_T3.R:173:2'): <plotly>-methods for <matrix> ───────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_T3.R:182:2'): <plotly>-methods for <matrix> ───────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TEMA.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TEMA.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TEMA.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TEMA.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TRANGE.R:155:2'): <plotly>-methods for <data.frame> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TRANGE.R:164:2'): <plotly>-methods for <data.frame> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TRANGE.R:173:2'): <plotly>-methods for <matrix> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TRANGE.R:182:2'): <plotly>-methods for <matrix> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TRIMA.R:155:2'): <plotly>-methods for <data.frame> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TRIMA.R:164:2'): <plotly>-methods for <data.frame> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TRIMA.R:173:2'): <plotly>-methods for <matrix> ────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TRIMA.R:182:2'): <plotly>-methods for <matrix> ────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TRIX.R:155:2'): <plotly>-methods for <data.frame> ─────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TRIX.R:164:2'): <plotly>-methods for <data.frame> ─────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_TRIX.R:173:2'): <plotly>-methods for <matrix> ─────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_TRIX.R:182:2'): <plotly>-methods for <matrix> ─────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ULTOSC.R:155:2'): <plotly>-methods for <data.frame> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ULTOSC.R:164:2'): <plotly>-methods for <data.frame> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_ULTOSC.R:173:2'): <plotly>-methods for <matrix> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_ULTOSC.R:182:2'): <plotly>-methods for <matrix> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_VOLUME.R:155:2'): <plotly>-methods for <data.frame> ───────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_VOLUME.R:164:2'): <plotly>-methods for <data.frame> ───────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_VOLUME.R:173:2'): <plotly>-methods for <matrix> ───────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_VOLUME.R:182:2'): <plotly>-methods for <matrix> ───────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_WILLR.R:155:2'): <plotly>-methods for <data.frame> ────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_WILLR.R:164:2'): <plotly>-methods for <data.frame> ────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_WILLR.R:173:2'): <plotly>-methods for <matrix> ────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_WILLR.R:182:2'): <plotly>-methods for <matrix> ────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_WMA.R:155:2'): <plotly>-methods for <data.frame> ──────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_WMA.R:164:2'): <plotly>-methods for <data.frame> ──────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  ── Failure ('test-ta_WMA.R:173:2'): <plotly>-methods for <matrix> ──────────────
  Expected `{ ... }` not to throw any errors.
  Actually got a <simpleError> with message:
    Package 'plotly' is required for the plotly backend. Install it with install.packages('plotly'), or set options(talib.chart.backend = 'ggplot2') to use the ggplot2 backend instead.
  ── Failure ('test-ta_WMA.R:182:2'): <plotly>-methods for <matrix> ──────────────
  Expected `inherits(output, "plotly")` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  
  [ FAIL 484 | WARN 10 | SKIP 0 | PASS 2108 ]
  Error:
  ! Test failures.
  Execution halted