Running 'testthat.R'
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(matrixTests)
  > 
  > test_check("matrixTests")
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error (test-correct-brownforsythe.R:46:3): monte-carlo random testing gives equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_brownforsythe(X, groups) test-correct-brownforsythe.R:46:2
   2. └─base::loadNamespace(x) test-correct-brownforsythe.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-brownforsythe.R:73:3): extreme numbers give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_brownforsythe(x, g) test-correct-brownforsythe.R:73:2
   2. └─base::loadNamespace(x) test-correct-brownforsythe.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-brownforsythe.R:91:3): equal variance in all groups give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_brownforsythe(x, g) test-correct-brownforsythe.R:91:2
   2. └─base::loadNamespace(x) test-correct-brownforsythe.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-brownforsythe.R:107:3): minimal allowed sample size gives equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_brownforsythe(x, g) test-correct-brownforsythe.R:107:2
   2. └─base::loadNamespace(x) test-correct-brownforsythe.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-brownforsythe.R:145:3): groups with one remaining member give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_brownforsythe(x, g) test-correct-brownforsythe.R:145:2
   2. └─base::loadNamespace(x) test-correct-brownforsythe.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-brownforsythe.R:161:3): constant values give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_brownforsythe(x, g) test-correct-brownforsythe.R:161:2
   2. └─base::loadNamespace(x) test-correct-brownforsythe.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-brownforsythe.R:183:3): cases when some groups are constant after residuals give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_brownforsythe(x, g) test-correct-brownforsythe.R:183:2
   2. └─base::loadNamespace(x) test-correct-brownforsythe.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-levene.R:46:3): monte-carlo random testing gives equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_levene(X, groups) test-correct-levene.R:46:2
   2. └─base::loadNamespace(x) test-correct-levene.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-levene.R:73:3): extreme numbers give equal results ──────
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_levene(x, g) test-correct-levene.R:73:2
   2. └─base::loadNamespace(x) test-correct-levene.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-levene.R:91:3): equal variance in all groups give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_levene(x, g) test-correct-levene.R:91:2
   2. └─base::loadNamespace(x) test-correct-levene.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-levene.R:107:3): minimal allowed sample size gives equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_levene(x, g) test-correct-levene.R:107:2
   2. └─base::loadNamespace(x) test-correct-levene.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-levene.R:145:3): groups with one remaining member give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_levene(x, g) test-correct-levene.R:145:2
   2. └─base::loadNamespace(x) test-correct-levene.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-levene.R:161:3): constant values give equal results ─────
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_levene(x, g) test-correct-levene.R:161:2
   2. └─base::loadNamespace(x) test-correct-levene.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  ── Error (test-correct-levene.R:183:3): cases when some groups are constant after residuals give equal results ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'car'
  Backtrace:
      █
   1. ├─matrixTests:::car_levene(x, g) test-correct-levene.R:183:2
   2. └─base::loadNamespace(x) test-correct-levene.R:19:4
   3.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   4.     └─base:::withOneRestart(expr, restarts[[1L]])
   5.       └─base:::doWithOneRestart(return(expr), restart)
  
  [ FAIL 14 | WARN 10 | SKIP 0 | PASS 2147 ]
  Error: Test failures
  Execution halted