code: def testGetValue(self):
      tfx_value = pipeline_pb2.Value()
      text_format.Parse(
          """
          field_value {
            int_value: 1
          }""",
          tfx_value,
      )
      self.assertEqual(data_types_utils.get_value(tfx_value), 1)
  
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 12 for calling the DataTypesUtilsTest obj's underlying member method code with example usage: obj.testGetValue() without return types