Before:
  silent! cd /testplugin/test/util
  let g:dir = getcwd()

After:
  silent execute 'cd ' . fnameescape(g:dir)
  unlet! g:dir

Execute(CdString should output the correct command string):
  " We will check that escaping is done correctly for each platform.
  AssertEqual
  \ has('unix') ? 'cd ''/foo bar/baz'' && ' : 'cd "/foo bar/baz" && ',
  \ ale#path#CdString('/foo bar/baz')

Execute(BufferCdString should output the correct command string):
  call ale#test#SetFilename('foo.txt')

  AssertEqual 'cd ' . ale#Escape(g:dir) . ' && ', ale#path#BufferCdString(bufnr(''))