Before:
  call ale#assert#SetUpLinterTest('eruby', 'erblint')
  call ale#test#SetFilename('dummy.html.erb')

  let g:ale_eruby_erblint_executable = 'erblint'
  let g:ale_eruby_erblint_options = ''

After:
  call ale#assert#TearDownLinterTest()

Execute(Executable should default to erblint):
  AssertLinter 'erblint', ale#Escape('erblint')
  \   . ' --format json  --stdin %s'

Execute(Should be able to set a custom executable):
  let g:ale_eruby_erblint_executable = 'bin/erblint'

  AssertLinter 'bin/erblint' , ale#Escape('bin/erblint')
  \   . ' --format json  --stdin %s'

Execute(Setting bundle appends 'exec erblint'):
  let g:ale_eruby_erblint_executable = 'path to/bundle'

  AssertLinter 'path to/bundle', ale#Escape('path to/bundle')
  \   . ' exec erblint'
  \   . ' --format json  --stdin %s'