Running 'spelling.R' [0s/0s]
  Running 'testthat.R' [182s/175s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > Sys.setenv("R_TESTS" = "")
  > 
  > library(testthat)
  > library(quanteda)
  Package version: 1.4.1
  Parallel computing: 2 of 32 threads used.
  See https://quanteda.io for tutorials and examples.
  
  Attaching package: 'quanteda'
  
  The following object is masked from 'package:utils':
  
      View
  
  > 
  > Sys.setenv("_R_CHECK_LENGTH_1_CONDITION_" = TRUE)
  > 
  > ops <- quanteda_options()
  > quanteda_options(reset = TRUE)
  > 
  > test_check("quanteda")
  -- 1. Failure: as.data.frame.dfm handles irregular feature names correctly (@tes
  names(convert(mydfm, to = "data.frame")) not equal to c("document", "<U+5B57>", "spe cial", "<U+98DB><U+6A5F>", "spec+ial").
  2/5 mismatches
  x[2]: "<U+5B57>"
  y[2]: "<U+5B57>"
  
  x[4]: "<U+98DB><U+6A5F>"
  y[4]: "<U+98DB><U+6A5F>"
  
  -- 2. Failure: as.data.frame.dfm handles irregular feature names correctly (@tes
  suppressWarnings(names(as.data.frame(mydfm, check.names = TRUE))) not equal to c("document", "<U+5B57>", "spe.cial", "<U+98DB><U+6A5F>", "spec.ial").
  2/5 mismatches
  x[2]: "X.U.5B57."
  y[2]: "<U+5B57>"
  
  x[4]: "X.U.98DB..U.6A5F."
  y[4]: "<U+98DB><U+6A5F>"
  
  -- 3. Failure: as.data.frame.dfm handles irregular feature names correctly (@tes
  names(quanteda:::dfm2dataframe(mydfm)) not equal to c("document", "<U+5B57>", "spe cial", "<U+98DB><U+6A5F>", "spec+ial").
  2/5 mismatches
  x[2]: "<U+5B57>"
  y[2]: "<U+5B57>"
  
  x[4]: "<U+98DB><U+6A5F>"
  y[4]: "<U+98DB><U+6A5F>"
  
  -- 4. Failure: as.data.frame.dfm handles irregular feature names correctly (@tes
  names(quanteda:::dfm2dataframe(mydfm, check.names = TRUE)) not equal to c("document", "<U+5B57>", "spe.cial", "<U+98DB><U+6A5F>", "spec.ial").
  2/5 mismatches
  x[2]: "X.U.5B57."
  y[2]: "<U+5B57>"
  
  x[4]: "X.U.98DB..U.6A5F."
  y[4]: "<U+98DB><U+6A5F>"
  
  ISNULLVALUE== testthat results  ===========================================================
  OK: 2702 SKIPPED: 18 FAILED: 4
  1. Failure: as.data.frame.dfm handles irregular feature names correctly (@test-as.dfm.R#146) 
  2. Failure: as.data.frame.dfm handles irregular feature names correctly (@test-as.dfm.R#150) 
  3. Failure: as.data.frame.dfm handles irregular feature names correctly (@test-as.dfm.R#154) 
  4. Failure: as.data.frame.dfm handles irregular feature names correctly (@test-as.dfm.R#158) 
  
  Error: testthat unit tests failed
  Execution halted