Running 'run-base.R' [471s]
  Running 'run-basenocran.R' [0s]
  Running 'run-classif1.R' [0s]
  Running 'run-classif2.R' [0s]
  Running 'run-cluster.R' [0s]
  Running 'run-featsel.R' [0s]
  Running 'run-learners-classif.R' [0s]
  Running 'run-learners-classiflabelswitch.R' [0s]
  Running 'run-learners-cluster.R' [0s]
  Running 'run-learners-general.R' [0s]
  Running 'run-learners-multilabel.R' [0s]
  Running 'run-learners-regr.R' [0s]
  Running 'run-learners-surv.R' [0s]
  Running 'run-lint.R' [4s]
  Running 'run-multilabel.R' [0s]
  Running 'run-parallel.R' [0s]
  Running 'run-regr.R' [0s]
  Running 'run-stack.R' [0s]
  Running 'run-surv.R' [0s]
  Running 'run-tune.R' [0s]
Running the tests in 'tests/run-base.R' failed.
Complete output:
  > library(testthat)
  > test_check("mlr", filter = "base_")
  Loading required package: mlr
  Loading required package: ParamHelpers
  
  Attaching package: 'rex'
  
  The following object is masked from 'package:testthat':
  
      matches
  
  
  Attaching package: 'BBmisc'
  
  The following object is masked from 'package:base':
  
      isFALSE
  
  -- 1. Error: tuning allows usage of budget (@test_base_tuning.R#120)  ----------
  Assertion on 'discrete.names' failed: Must be of type 'logical flag', not 'NULL'.
  1: tuneParams(lrn, binaryclass.task, resampling = rdesc, par.set = ps, control = ctrl) at testthat/test_base_tuning.R:120
  2: sel.func(learner, task, resampling, measures, par.set, control, opt.path, show.info, 
         resample.fun)
  3: sampleValue(par.set, start, trafo = FALSE)
  4: sampleValue.ParamSet(par.set, start, trafo = FALSE)
  5: lapply(par$pars, sampleValue, discrete.names = discrete.names, trafo = trafo)
  6: FUN(X[[i]], ...)
  7: sampleValue.Param(X[[i]], ...)
  8: assertFlag(discrete.names)
  9: makeAssertion(x, res, .var.name, add)
  10: mstop("Assertion on '%s' failed: %s.", var.name, res)
  
  == testthat results  ===========================================================
  OK: 3581 SKIPPED: 0 FAILED: 1
  1. Error: tuning allows usage of budget (@test_base_tuning.R#120) 
  
  Error: testthat unit tests failed
  Execution halted