code: def test_cnn_model_helper_deprecated(self):
      X = np.random.rand(64, 32, 32, 3).astype(np.float32) - 0.5
  
      workspace.FeedBlob("x", X)
      # CNNModelHelper is going to be deprecated soon. This test is only
      # covering some CNNModelHelper logic
      model = CNNModelHelper(name="test_model", order="NHWC")
      self.assertEqual(model.arg_scope["order"], "NHWC")
  
imports: from caffe2.python import brew, core, scope, workspace
  from caffe2.python.modeling.parameter_info import ParameterTags
  from caffe2.python.model_helper import ModelHelper
  from caffe2.python.cnn import CNNModelHelper
  import unittest
  import numpy
label_desc: Use image node_id 13 for calling the BrewTest obj's underlying member method code with example usage: obj.test_cnn_model_helper_deprecated() without return types