code: def invoke_cli_runner(*args, **kwargs):
      """
      Helper method to invoke the CliRunner while asserting that the exit code is actually 0.
      """
  
      res = CliRunner().invoke(*args, **kwargs)
      assert (
          res.exit_code == 0
      ), f"Got non-zero exit code {res.exit_code}. Output is: {res.output}"
      return res
  
label_desc: Use image node_id 1 for calling a global function with example usage: invoke_cli_runner() and returns: res