code: def test_job_failed(self, ray_start_stop):
      cmd = "python -c 'import ray; ray.init(); assert 1 == 2;'"
      _run_cmd(f"ray job submit -- {cmd}", should_fail=True)
  
imports: from contextlib import contextmanager
  import ray
  import json
  import os
  import logging
  import sys
  import subprocess
  from typing import Optional, Tuple
  import pytest
label_desc: Use image node_id 6 for calling the TestJobSubmit obj's underlying member method code with example usage: obj.test_job_failed(ray_start_stop) without return types