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Platform: x86_64-w64-mingw32/x64

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> if (requireNamespace("testthat", quietly = TRUE)) {
+   library("checkmate")
+   library("testthat")
+   library("mlr3")
+   test_check("mlr3")
+ }
[ FAIL 0 | WARN 0 | SKIP 14 | PASS 17082 ]

══ Skipped tests (14) ══════════════════════════════════════════════════════════
• Not on GitHub Actions (1): 'test_backward_compatibility.R:1:1'
• On CRAN (10): 'test_Learner.R:672:3', 'test_Learner.R:939:3',
  'test_Learner.R:967:3', 'test_Learner.R:995:3', 'test_Learner.R:1034:3',
  'test_Measure.R:131:3', 'test_Task.R:907:1', 'test_parallel_future.R:103:3',
  'test_parallel_mirai.R:61:3', 'test_parallel_mirai.R:83:3'
• On Windows (1): 'test_parallel_future.R:72:3'
• empty test (1): 'test_Task.R:968:1'
• {distr6} is not installed (1): 'test_PredictionRegr.R:54:3'

[ FAIL 0 | WARN 0 | SKIP 14 | PASS 17082 ]
> 
> proc.time()
   user  system elapsed 
 169.71    9.26  282.01