code: def setUp(self):
      super().setUp()
      self.addCleanup(mock.patch.stopall)
      self.mock_sleep = mock.patch.object(
          time, "sleep", autospec=True
      ).start()
  
file_path: tfx/tfx/utils/retry_test.py
imports: import time
  from unittest import mock
  import tensorflow
  from tfx.utils import retry
label_desc: Use image node_id 1 for calling the RetryTest obj's underlying member method code with example usage: obj.setUp() without return types