code: def _MockSubprocess3(
      cmd, env
  ):  # pylint: disable=invalid-name, unused-argument
      # Store pipeline_args in a json file.
      pipeline_args_path = env[
          labels.TFX_JSON_EXPORT_PIPELINE_ARGS_PATH
      ]
      pipeline_args = {}
      with open(pipeline_args_path, "w") as f:
          json.dump(pipeline_args, f)
      return 0
  
imports: import json
  import os
  import subprocess
  import sys
  from unittest import mock
  import click
  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 airflow_handler
  from tfx.utils import io_utils
  from tfx.utils import test_case_utils
label_desc: Use image node_id 3 for calling a global function with example usage: _MockSubprocess3(cmd, env) and returns: int