code: def tearDown(self):
      os.environ.pop(config._DT_JOBS, [])
      super().tearDown()
  
file_path: tensorflow/tensorflow/dtensor/python/tests/config_test.py
imports: import os
  from tensorflow.dtensor.python import config
  from tensorflow.dtensor.python.tests import test_util
  from tensorflow.python.eager import context
  from tensorflow.python.framework import device
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the ConfigTest obj's underlying member method code with example usage: obj.tearDown() without return types