code: def _run_node(self):
      _executed_components.append(self._node_id)
  
imports: import os
  from typing import Optional
  from unittest import mock
  import tensorflow
  from tfx.dsl.compiler import constants
  from tfx.orchestration import metadata
  from tfx.orchestration.beam import beam_dag_runner
  from tfx.orchestration.beam.legacy import beam_dag_runner
  from tfx.orchestration.config import pipeline_config
  from tfx.proto.orchestration import executable_spec_pb2
  from tfx.proto.orchestration import local_deployment_config_pb2
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.proto.orchestration import platform_config_pb2
  from tfx.utils import test_case_utils
  from google.protobuf import message
  from google.protobuf import text_format
label_desc: Use image node_id 2 for calling the _FakeComponentAsDoFn obj's underlying member method code with example usage: obj._run_node() without return types