code: def setUp(self):
      super().setUp()
      self.enter_context(
          test_case_utils.change_working_dir(self.tmp_dir)
      )
      VersionInfo = collections.namedtuple(
          "VersionInfo", ["major", "minor", "micro"]
      )
      self.enter_context(
          mock.patch("sys.version_info", new=VersionInfo(3, 7, 0))
      )
  
imports: import collections
  import datetime
  import json
  import os
  from unittest import mock
  import tensorflow
  from tfx import version
  from tfx.dsl.components.base import base_component
  from tfx.orchestration import pipeline
  from tfx.orchestration.kubeflow.v2 import kubeflow_v2_dag_runner
  from tfx.orchestration.kubeflow.v2 import test_utils
  from tfx.utils import telemetry_utils
  from tfx.utils import test_case_utils
label_desc: Use image node_id 1 for calling the KubeflowV2DagRunnerTest obj's underlying member method code with example usage: obj.setUp() without return types