Before:
  call ale#test#SetDirectory('/testplugin/test/fixers')

After:
  let g:ale_has_override = {}
  call ale#test#RestoreDirectory()

Execute(The path to stylelint.js should be run on Unix):
  call ale#test#SetFilename('../eslint-test-files/react-app/subdir/testfile.css')

  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command':
  \     ale#Escape(simplify(g:dir . '/../eslint-test-files/react-app/node_modules/stylelint/bin/stylelint.js'))
  \     . ' --fix %t',
  \ },
  \ ale#fixers#stylelint#Fix(bufnr(''))

Execute(The stylelint fixer with stylelint.js should be run with node on Windows):
  call ale#test#SetFilename('../eslint-test-files/react-app/subdir/testfile.css')
  let g:ale_has_override['win32'] = 1

  " We have to execute the file with node.
  AssertEqual
  \ {
  \   'read_temporary_file': 1,
  \   'command': ale#Escape('node.exe') . ' '
  \     . ale#Escape(simplify(g:dir . '/../eslint-test-files/react-app/node_modules/stylelint/bin/stylelint.js'))
  \     . ' --fix %t',
  \ },
  \ ale#fixers#stylelint#Fix(bufnr(''))