code: def test_process_failure_new_format(self):
      error_data = {"message": "test error message", "timestamp": 10}
      with open(self.test_error_file, "w") as fp:
          json.dump(error_data, fp)
      pf = ProcessFailure(
          local_rank=0,
          pid=997,
          exitcode=1,
          error_file=self.test_error_file,
      )
      self.assertEqual("test error message", pf.message)
      self.assertEqual(10, pf.timestamp)
  
imports: import json
  import os
  import shutil
  import signal
  import tempfile
  import unittest
  from unittest import mock
  from torch.distributed.elastic.multiprocessing.errors import ChildFailedError, ProcessFailure, record
  from torch.distributed.elastic.multiprocessing.errors.error_handler import ErrorHandler
label_desc: Use image node_id 6 for calling the ApiTest obj's underlying member method code with example usage: obj.test_process_failure_new_format() without return types