text: """a2o dataset."""
  
  import tensorflow_datasets as tfds
  from . import a2o
  
  
  class A2oTest(tfds.testing.DatasetBuilderTestCase):
    """Tests for a2o dataset."""
    # TODO(a2o):
    DATASET_CLASS = a2o.A2o
    SPLITS = {
        'train': 3,  # Number of fake train example
        'test': 1,  # Number of fake test example
    }
  
    # If you are calling `download/download_and_extract` with a dict, like:
    #   dl_manager.download({'some_key': 'http://a.org/out.txt', ...})
    # then the tests needs to provide the fake output paths relative to the
    # fake data directory
    # DL_EXTRACT_RESULT = {'some_key': 'output_file1.txt', ...}
  
  
  if __name__ == '__main__':
    tfds.testing.test_main()
  