R Under development (unstable) (2025-03-03 r87871 ucrt) -- "Unsuffered Consequences"
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> if (requireNamespace("testthat", quietly = TRUE)) {
+   library(testthat)
+   library(checkmate)
+   library(mlr3mbo)
+   test_check("mlr3mbo")
+ }
Loading required package: mlr3tuning
Loading required package: mlr3
Loading required package: paradox
Loading required namespace: mlr3learners
Loading required namespace: DiceKriging
Loading required namespace: rgenoud
WARN  [09:48:22.356] [bbotk] Optimizer Error.
WARN  [09:48:42.190] [bbotk] Less then `n_select` (1) candidate points found during acquisition function optimization were not already evaluated.
WARN  [09:51:43.989] [bbotk] Current insample performance of the Surrogate Model does not meet the performance threshold.
WARN  [09:51:46.696] [bbotk] Optimizer Error.
WARN  [09:51:46.959] [bbotk] Surrogate Train Error.
WARN  [09:51:47.332] [bbotk] Surrogate Predict Error.
[ FAIL 0 | WARN 2 | SKIP 17 | PASS 1048 ]

══ Skipped tests (17) ══════════════════════════════════════════════════════════
• On CRAN (17): 'test_AcqFunctionEHVIGH.R:35:3',
  'test_AcqFunctionStochasticCB.R:2:3', 'test_AcqFunctionStochasticCB.R:29:3',
  'test_AcqFunctionStochasticCB.R:57:3', 'test_AcqFunctionStochasticCB.R:86:3',
  'test_AcqFunctionStochasticCB.R:115:3', 'test_AcqFunctionStochasticEI.R:2:3',
  'test_AcqFunctionStochasticEI.R:30:3', 'test_AcqFunctionStochasticEI.R:58:3',
  'test_OptimizerADBO.R:2:3', 'test_OptimizerAsyncMbo.R:2:3',
  'test_OptimizerAsyncMbo.R:23:3', 'test_OptimizerMbo.R:2:3',
  'test_ResultAssignerSurrogate.R:16:3', 'test_TunerADBO.R:2:3',
  'test_TunerAsyncMbo.R:2:3', 'test_TunerMbo.R:2:3'

[ FAIL 0 | WARN 2 | SKIP 17 | PASS 1048 ]
> 
> proc.time()
   user  system elapsed 
 120.73    7.12  307.87