def _test_parse_args_fails(self, args: str) -> None:
     """ Test that parsing the given arg string raises an exception """
     with self.assertRaises(OatmealParseError):
         OatmealMsg._parse_args(args.encode('ascii'))
 def _test_parse_args(self, args: str, expected_res: list) -> None:
     """ Parse args and test that we get a given result """
     parsed_args = OatmealMsg._parse_args(args.encode('ascii'))
     self.assertEqual(parsed_args, expected_res)