Before:
  let g:ale_php_phpcs_executable = 'phpcs_test'

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

  runtime ale_linters/php/phpcs.vim

After:
  let g:ale_php_phpcs_executable = 'phpcs'
  let g:ale_php_phpcs_use_global = 0

  silent execute 'cd ' . g:dir
  unlet! g:dir

  call ale#linter#Reset()

Execute(project with phpcs should use local by default):
  silent noautocmd new phpcs-test-files/project-with-phpcs/vendor/bin/phpcs

  AssertEqual
  \ g:dir . '/phpcs-test-files/project-with-phpcs/vendor/bin/phpcs',
  \ ale_linters#php#phpcs#GetExecutable(bufnr(''))

  :q

Execute(use-global should override local detection):
  let g:ale_php_phpcs_use_global = 1

  silent noautocmd new phpcs-test-files/project-with-phpcs/vendor/bin/phpcs

  AssertEqual
  \ 'phpcs_test',
  \ ale_linters#php#phpcs#GetExecutable(bufnr(''))

  :q

Execute(project without phpcs should use global):
  silent noautocmd new phpcs-test-files/project-without-phpcs/vendor/bin/phpcs

  AssertEqual
  \ 'phpcs_test',
  \ ale_linters#php#phpcs#GetExecutable(bufnr(''))

  :q