Before:
  call ale#assert#SetUpLinterTest('dockerfile', 'dockerlinter')

After:
  call ale#assert#TearDownLinterTest()

Execute(The default command should be correct):
  AssertLinter 'dockerlinter', ale#Escape('dockerlinter') . ' -j -f %t'

Execute(The executable should be configurable):
  let b:ale_dockerfile_dockerlinter_executable = 'foobar'

  AssertLinter 'foobar', ale#Escape('foobar') . ' -j -f %t'

Execute(The options should be configurable):
  let b:ale_dockerfile_dockerlinter_options = '-r additional.yaml'

  AssertLinter 'dockerlinter', ale#Escape('dockerlinter') . ' -r additional.yaml -j -f %t'