code: def test_(self):
      for url, expected in zip(self.urls, self.expected):
          res = resource.get_dl_dirname(url)
          self.assertEqual(res, expected)
  
imports: from tensorflow_datasets import testing
  from tensorflow_datasets.core.download import resource
label_desc: Use image node_id 1 for calling the DlDirNameTest obj's underlying member method code with example usage: obj.test_() without return types