docstr: Test wrapping a regression result.
docstr_tok: ["Test","wrapping","a","regression","result","."]
code: def test_wrap_inference_results_regression(self):
      """Test wrapping a regression result."""
      inference_result_proto = regression_pb2.RegressionResponse()
      regression = inference_result_proto.result.regressions.add()
      regression.value = 0.45
      regression = inference_result_proto.result.regressions.add()
      regression.value = 0.55
  
      wrapped = inference_utils.wrap_inference_results(
          inference_result_proto
      )
      self.assertEqual(2, len(wrapped.regression_result.regressions))
  
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 14 for calling the InferenceUtilsTest obj's underlying member method code with example usage: obj.test_wrap_inference_results_regression() without return types