patch 8.1.0531: flaky tests often fail with a common error message commit https://github.com/vim/vim/commit/dbc0d2163aa5e090d5a0c83aea448803ddbab664 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Nov 16 18:22:45 2018 +0100 patch 8.1.0531: flaky tests often fail with a common error message Problem: Flaky tests often fail with a common error message. Solution: Add a pattern to match an error message indicating a flaky test.

" Test 'autochdir' behavior

if !exists("+autochdir")
  finish
endif

func Test_set_filename()
  let cwd = getcwd()
  call test_autochdir()
  set acd
  new
  w samples/Xtest
  call assert_equal("Xtest", expand('%'))
  call assert_equal("samples", substitute(getcwd(), '.*/\(\k*\)', '\1', ''))
  bwipe!
  set noacd
  exe 'cd ' . cwd
  call delete('samples/Xtest')
endfunc