code: def test_main_runs_raw_data(self):
      census_example_v2.main(
          self._get_data_dir(),
          self._get_working_dir(),
          read_raw_data_for_training=True,
          num_train_instances=10,
          num_test_instances=10,
      )
  
file_path: transform/examples/census_example_v2_test.py
imports: import os
  import shutil
  from packaging import version
  import tensorflow.compat.v2
  import census_example_common
  import census_example_v2
  from tensorflow_transform import test_case
  import local_model_server
  from tensorflow_transform.keras_lib import tf_keras
  from google.protobuf import text_format
  from tensorflow.python import tf2
label_desc: Use image node_id 7 for calling the CensusExampleV2Test obj's underlying member method code with example usage: obj.test_main_runs_raw_data() without return types