code: def test_run_initialization_failure(self, mock_initialize_workers):
      spec = self._get_worker_spec()
      agent = TestAgent(spec)
      worker_group = agent._worker_group
  
      with self.assertRaises(RuntimeError):
          agent.run()
  
      self.assertEqual(WorkerState.INIT, worker_group.state)
  
imports: import signal
  import unittest
  import uuid
  from typing import Any, Dict
  from unittest.mock import call, patch, MagicMock
  import torch.distributed.elastic.rendezvous.registry
  from torch.distributed.elastic.agent.server.api import RunResult, SimpleElasticAgent, WorkerGroup, WorkerSpec, WorkerState, _get_fq_hostname, _RoleInstanceInfo
  from torch.distributed.elastic.multiprocessing import SignalException
  from torch.distributed.elastic.multiprocessing.errors import ProcessFailure
  from torch.distributed.elastic.rendezvous import RendezvousHandler, RendezvousParameters
  from torch.distributed.elastic.utils.distributed import get_free_port
  from torch.testing._internal.common_utils import run_tests
label_desc: Use image node_id 18 for calling the SimpleElasticAgentTest obj's underlying member method code with example usage: obj.test_run_initialization_failure(mock_initialize_workers) without return types