class_docstr: Test data for snapshots.
code: def __init__(self):
      temp_dir = tempfile.mkdtemp(dir=googletest.GetTempDir())
      self.path = os.path.join(
          tempfile.mkdtemp(dir=temp_dir), "distributed_save_load_test"
      )
  
imports: import os
  import shutil
  import tempfile
  import threading
  import time
  from typing import Callable, Optional
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.kernel_tests.service import test_base
  from tensorflow.python.data.experimental.ops import data_service_ops
  from tensorflow.python.data.experimental.ops import distributed_save_op
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import load_op
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import googletest
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 to create a new TestSnapshot object  with example: obj = TestSnapshot()