code: def setUp(self):
      self.test_dir = tempfile.mkdtemp(prefix=self.__class__.__name__)
      self.test_error_file = os.path.join(self.test_dir, "error.json")
  
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 1 for calling the ApiTest obj's underlying member method code with example usage: obj.setUp() without return types