code: def test_import():
      builder_cls = load.builder_cls_from_module(
          "tensorflow_datasets.testing.dummy_dataset.dummy_dataset"
      )
      assert builder_cls.__name__ == "DummyDataset"
  
      # Module should have been cached
      builder_cls_2 = load.builder_cls_from_module(
          "tensorflow_datasets.testing.dummy_dataset.dummy_dataset"
      )
      assert builder_cls is builder_cls_2
  
      from tensorflow_datasets.testing.dummy_dataset import (
          dummy_dataset,
      )  # pylint: disable=g-import-not-at-top
  
      assert builder_cls is dummy_dataset.DummyDataset
      assert builder_cls.__name__ not in core_load.list_builders()
  
imports: import pytest
  from tensorflow_datasets.core import load
  from tensorflow_datasets.core.community import load
label_desc: Use image node_id 1 for calling a global function with example usage: test_import() without return types