code: def time_obj(self):
      return self._time_obj
  
imports: import sys
  import threading
  import time
  from contextlib import contextmanager
  from unittest import TestCase
  from unittest.mock import Mock, patch
  from parameterized import parameterized
  from wandb.proto import wandb_internal_pb2
  from wandb.sdk.lib.mailbox import Mailbox, MailboxProbe, MailboxProgress
label_desc: Use image node_id 2 for calling the TestWithMockedTime obj's underlying member method code with example usage: obj.time_obj() and returns: self