class_docstr: Helper class to time operations in pipeline e2e tests.
code: def __exit__(self, *unused_args):
      self._end = time.time()
  
      logging.info(
          "Timing Info >> Operation: %s Elapsed time in seconds: %d",
          self._operation,
          self._end - self._start,
      )
  
file_path: tfx/tfx/orchestration/test_utils.py
imports: import contextlib
  import os
  import random
  import string
  import subprocess
  import time
  from absl import logging
  import docker
label_desc: Use image node_id 3 for calling the Timer obj's underlying member method code with example usage: obj.__exit__() without return types