Before:
  call ale#assert#SetUpLinterTest('slim', 'slimlint')
  let g:default_command = 'slim-lint %t'

After:
  call ale#assert#TearDownLinterTest()

Execute(The default command should be correct):
  AssertLinter 'slim-lint', 'slim-lint %t'

Execute(The command should have the .rubocop.yml prepended as an env var if one exists):
  call ale#test#SetFilename('../test-files/slimlint/subdir/file.slim')

  AssertLinter 'slim-lint',
  \ ale#Env(
  \   'SLIM_LINT_RUBOCOP_CONF',
  \   ale#path#Simplify(g:dir . '/../test-files/slimlint/.rubocop.yml')
  \ )
  \ . 'slim-lint %t'