code: def test_auto_restart_and_chief(self):
      # If the chief has exited with zero exit code, auto restart should stop
      # restarting other tasks even if they fail.
  
      def fn():
          time.sleep(1)
          if multi_worker_test_base.get_task_type() != "chief":
              raise ValueError
  
      manager = multi_process_runner.manager()
      mpr = multi_process_runner.MultiProcessRunner(
          fn,
          multi_worker_test_base.create_cluster_spec(
              has_chief=True, num_workers=1
          ),
          auto_restart=True,
      )
      mpr.start()
      with self.assertRaises(ValueError):
          mpr.join(timeout=10)
  
imports: import ctypes
  import json
  import os
  import sys
  import threading
  import time
  import unittest
  from absl import logging
  from absl.testing import parameterized
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import multi_process_runner
  from tensorflow.python.distribute import multi_worker_test_base
  from tensorflow.python.eager import context
  from tensorflow.python.eager import test
label_desc: Use image node_id 21 for calling the MultiProcessRunnerTest obj's underlying member method code with example usage: obj.test_auto_restart_and_chief() without return types