code: def setUp(self):
      super().setUp()
      self.chicago_taxi_pipeline_dir = os.path.join(
          os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
          "testdata",
      )
      self._home = self.tmp_dir
      self.enter_context(
          test_case_utils.change_working_dir(self.tmp_dir)
      )
      self.enter_context(
          test_case_utils.override_env_var("HOME", self._home)
      )
      self._local_home = os.path.join(os.environ["HOME"], "local")
      self.enter_context(
          test_case_utils.override_env_var(
              "LOCAL_HOME", self._local_home
          )
      )
  
      # Flags for handler.
      self.engine = "local"
      self.pipeline_path = os.path.join(
          self.chicago_taxi_pipeline_dir, "test_pipeline_local_1.py"
      )
      self.pipeline_name = "chicago_taxi_local"
      self.pipeline_root = os.path.join(
          self._home, "tfx", "pipelines", self.pipeline_name
      )
      self.run_id = "dummyID"
  
      self.pipeline_args = {
          labels.PIPELINE_NAME: self.pipeline_name,
          labels.PIPELINE_DSL_PATH: self.pipeline_path,
      }
  
imports: import json
  import os
  import subprocess
  import sys
  from unittest import mock
  import tensorflow
  from tfx.dsl.components.base import base_driver
  from tfx.dsl.io import fileio
  from tfx.tools.cli import labels
  from tfx.tools.cli.handler import local_handler
  from tfx.utils import test_case_utils
label_desc: Use image node_id 1 for calling the LocalHandlerTest obj's underlying member method code with example usage: obj.setUp() without return types