code: def testBuildArtifactStructDict(self):
      actual_artifact_struct_dict = (
          data_types_utils.build_artifact_struct_dict(
              self.artifact_dict
          )
      )
      self.assertEqual(
          self.artifact_struct_dict, actual_artifact_struct_dict
      )
  
imports: from absl.testing import parameterized
  import tensorflow
  from tfx import types
  from tfx.orchestration import data_types_utils
  from tfx.proto.orchestration import execution_result_pb2
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.types import artifact_utils
  from tfx.utils import proto_utils
  from tfx.utils import test_case_utils
  from google.protobuf import struct_pb2
  from google.protobuf import text_format
  from ml_metadata.proto import metadata_store_pb2
  from ml_metadata.proto import metadata_store_service_pb2
label_desc: Use image node_id 4 for calling the DataTypesUtilsTest obj's underlying member method code with example usage: obj.testBuildArtifactStructDict() without return types