'multiple: manage.py builtin commands fail if settings file (from argument) doesn\'t exist'

def test_builtin_with_bad_settings(self):

    args = ['check', '--settings=bad_settings', 'admin_scripts']
    (out, err) = self.run_manage(args)
    self.assertNoOutput(out)
    self.assertOutput(err, "No    module    named    '?bad_settings'?", regex=True)
