code: def tearDown(self):
      try:
          os.remove(self.examples_path)
      except EnvironmentError:
          pass
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import numpy
  import tensorflow
  from tensorflow_serving.apis import classification_pb2
  from tensorflow_serving.apis import predict_pb2
  from tensorflow_serving.apis import regression_pb2
  from utils import common_utils
  from utils import inference_utils
  from utils import platform_utils
  from utils import test_utils
label_desc: Use image node_id 2 for calling the InferenceUtilsTest obj's underlying member method code with example usage: obj.tearDown() without return types