code: def _save_test_case(pickler, obj):
      def reconstruct(*args, **kwargs):
          del args, kwargs
          return GceFailureHandlingTest()
  
      return pickler.save_reduce(reconstruct, (), obj=obj)
  
imports: import os
  import random
  import re
  import sys
  import threading
  import time
  import urllib
  from absl.testing import parameterized
  from tensorflow.python.checkpoint import checkpoint
  from tensorflow.python.checkpoint import checkpoint_management
  from tensorflow.python.distribute import collective_all_reduce_strategy
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import mirrored_strategy
  from tensorflow.python.distribute import multi_process_runner
  from tensorflow.python.distribute import multi_worker_test_base
  from tensorflow.python.distribute import multi_worker_util
  from tensorflow.python.distribute import one_device_strategy
  from tensorflow.python.distribute import test_util
  from tensorflow.python.distribute.failure_handling import failure_handling
  from tensorflow.python.distribute.failure_handling import failure_handling_util
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import config
  from tensorflow.python.framework import constant_op
  from tensorflow.python.module import module
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import gfile
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.training import server_lib
label_desc: Use image node_id 4 for calling a global function with example usage: _save_test_case(pickler, obj) and returns: pickler, GceFailureHandlingTest