code: def test_get_art_abs(self):
      with tempfile.NamedTemporaryFile(delete=True) as f:
          f.write(_STORY_FILE)
          f.flush()
          article, abstract = cnn_dailymail._get_art_abs(f.name)
          self.assertEqual(
              "Some article. This is some article text.", article
          )
  
          self.assertEqual(
              "highlight text.\nHighlight two.\nhighlight Three.",
              abstract,
          )
  
imports: import tempfile
  from tensorflow_datasets import testing
  from tensorflow_datasets.summarization import cnn_dailymail
label_desc: Use image node_id 1 for calling the CnnDailymailTest obj's underlying member method code with example usage: obj.test_get_art_abs() without return types