code: def test_parse_original_feature_from_example_binary(self):
      example = tf.train.Example()
      example.features.feature["img"].bytes_list.value.extend([b"\xef"])
      original_feature = (
          inference_utils.parse_original_feature_from_example(
              example, "img"
          )
      )
      self.assertEqual("img", original_feature.feature_name)
      self.assertEqual([b"\xef"], original_feature.original_value)
  
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 5 for calling the InferenceUtilsTest obj's underlying member method code with example usage: obj.test_parse_original_feature_from_example_binary() without return types