code: def tearDown(self):
      self._service_server.Terminate()
      super(CandidateSamplingOpsTest, self).tearDown()
  
file_path: neural-structured-learning/research/carls/candidate_sampling_ops_test.py
imports: from research.carls import candidate_sampling_ops
  from research.carls import context
  from research.carls import dynamic_embedding_ops
  from research.carls.candidate_sampling import candidate_sampler_config_builder
  from research.carls.testing import test_util
  import tensorflow
label_desc: Use image node_id 2 for calling the CandidateSamplingOpsTest obj's underlying member method code with example usage: obj.tearDown() without return types