def test_validation_with_invalid_language_code_raise_exception(self):
        self.assertEqual(self.voiceover_application.language_code, 'en')
        self.voiceover_application.validate()

        self.voiceover_application.language_code = 'invalid language'
        with self.assertRaisesRegex(
            utils.ValidationError, 'Invalid language_code: invalid language'
        ):
            self.voiceover_application.validate()