code: def test_registered(self):
      # We disable the registration test:
      # * `load_test.py` import `dummy_dataset` with `skip_registration` to test
      #   dynamic loading of community datasets.
      # * It seems imports are global between tests.
      # So dataset may or may not be registered depending on test execution order.
      pass
  
imports: import tensorflow_datasets.public_api
label_desc: Use image node_id 2 for calling the DummyDatasetTest obj's underlying member method code with example usage: obj.test_registered() without return types