code: def tearDown(self):
      self._service_server.Terminate()
      super(FeatureEmbeddingTest, self).tearDown()
  
imports: from absl.testing import parameterized
  from research.carls.models.caml import sparse_features
  from research.carls.testing import test_util
  import numpy
  import tensorflow
label_desc: Use image node_id 2 for calling the FeatureEmbeddingTest obj's underlying member method code with example usage: obj.tearDown() without return types