def METHOD_NAME(self, mock_get):
    """
    Caption track provided on video page for the selected language, but with broken syntax
    """
    language_code = 'en'
    mock_get.return_value = YoutubeVideoHTMLResponse.with_malformed_caption_track(language_code)
    english_language_caption_link = get_transcript_link_from_youtube(YOUTUBE_VIDEO_ID)
    self.assertIsNone(english_language_caption_link)