Running 'testthat.R' [16s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(konfound)
  Sensitivity analysis as described in Frank, 
  Maroulis, Duong, and Kelcey (2013) and in 
  Frank (2000).
  For more information visit http://konfound-it.com.
  > 
  > test_check("konfound")
  Using the absolute value of the estimated effect, 
            results can be interpreted by symmetry.
  Using the absolute value of the estimated effect, 
            results can be interpreted by symmetry.
  Using the absolute value of the estimated effect, 
            results can be interpreted by symmetry.
  [ FAIL 2 | WARN 5 | SKIP 0 | PASS 180 ]
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-konfound.R:7:5'): konfound works for linear model ──────────────
  Error in `ll(object)`: could not find function "ll"
  Backtrace:
       ▆
    1. ├─konfound::konfound(m1, wt, to_return = "raw_output") at test-konfound.R:7:5
    2. │ └─konfound:::konfound_lm(...)
    3. │   ├─broom::glance(model_object)
    4. │   └─broom:::glance.lm(model_object)
    5. │     ├─base::with(...)
    6. │     └─base::with.default(...)
    7. │       └─base::eval(substitute(expr), data, enclos = parent.frame())
    8. │         └─base::eval(substitute(expr), data, enclos = parent.frame())
    9. │           └─tibble::tibble(...)
   10. │             └─tibble:::tibble_quos(xs, .rows, .name_repair)
   11. │               └─rlang::eval_tidy(xs[[j]], mask)
   12. ├─stats::AIC(x)
   13. └─stats:::AIC.default(x)
  ── Error ('test-konfound.R:31:5'): konfound returns a tibble ───────────────────
  Error in `ll(object)`: could not find function "ll"
  Backtrace:
       ▆
    1. ├─konfound::konfound(m5, wt, to_return = "table") at test-konfound.R:31:5
    2. │ └─konfound:::konfound_lm(...)
    3. │   ├─broom::glance(model_object)
    4. │   └─broom:::glance.lm(model_object)
    5. │     ├─base::with(...)
    6. │     └─base::with.default(...)
    7. │       └─base::eval(substitute(expr), data, enclos = parent.frame())
    8. │         └─base::eval(substitute(expr), data, enclos = parent.frame())
    9. │           └─tibble::tibble(...)
   10. │             └─tibble:::tibble_quos(xs, .rows, .name_repair)
   11. │               └─rlang::eval_tidy(xs[[j]], mask)
   12. ├─stats::AIC(x)
   13. └─stats:::AIC.default(x)
  
  [ FAIL 2 | WARN 5 | SKIP 0 | PASS 180 ]
  Error: Test failures
  Execution halted