Before:
  Save g:ale_ruby_rubocop_executable

  " Use an invalid global executable, so we don't match it.
  let g:ale_ruby_rubocop_executable = 'xxxinvalid'

  silent! execute 'cd /testplugin/test/command_callback'
  silent cd ..
  silent cd command_callback
  let g:dir = getcwd()

After:
  Restore

  silent execute 'cd ' . fnameescape(g:dir)
  " Set the file to something else,
  " or we'll cause issues when running other tests
  silent file 'dummy.rb'
  unlet! g:dir

Execute(The rubocop callback should return the correct default values):
  silent execute 'file ' . fnameescape(g:dir . '/ruby_paths/dummy.rb')

  AssertEqual
  \ {'read_temporary_file': 1,
  \  'command': "'" . g:ale_ruby_rubocop_executable . "' "
  \      . '--auto-correct %t' },
  \ ale#fixers#rubocop#Fix(bufnr(''))