Running 'testthat.R' [61s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > # This file is part of the standard setup for testthat.
  > # It is recommended that you do not modify it.
  > #
  > # Where should you do additional test configuration?
  > # Learn more about the roles of various files in:
  > # * https://r-pkgs.org/tests.html
  > # * https://testthat.r-lib.org/reference/test_package.html#special-files
  > 
  > # Set environmental variable to prevent hang on quitting the `R` session.
  > # Error message:
  > # - `Error while shutting down parallel: unable to terminate some child processes`
  > # See:
  > # - https://github.com/r-lib/processx/issues/310
  > # - https://github.com/r-lib/processx/issues/240
  > # - https://github.com/r-lib/callr/issues/158
  > Sys.setenv(PROCESSX_NOTIFY_OLD_SIGCHLD = "true")
  > 
  > library(testthat)
  > library(parabar)
  > 
  > test_check("parabar")
  [ FAIL 1 | WARN 0 | SKIP 3 | PASS 357 ]
  
  ══ Skipped tests (3) ═══════════════════════════════════════════════════════════
  • On Windows (2): 'test-specification.R:71:5', 'test-user-api.R:140:5'
  • Test only runs in interactive contexts. (1): 'test-user-api.R:379:9'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-progress-tracking-context.R:242:5'): 'ProgressTrackingContext' interrupts progress tracking on task error correctly ──
  <callr_status_error/callr_error/rlib_error_3_0/rlib_error/error/condition>
  Error: ! in callr subprocess.
  Caused by error in `serverSocket(port = port)`:
  ! creation of server socket failed: port 11630 cannot be opened
  Backtrace:
      ▆
   1. └─context$start(specification) at test-progress-tracking-context.R:242:5
   2.   └─private$.backend$start(specification)
   3.     └─private$.start(specification)
   4.       └─private$.make_cluster(specification)
   5.         └─private$.cluster$run(...)
   6.           └─callr:::rs_run(self, private, func, args, package)
   7.             └─throw(res$error)
  
  [ FAIL 1 | WARN 0 | SKIP 3 | PASS 357 ]
  Error: Test failures
  Execution halted