code: def test_adv_model_save_subclassed(self):
      self._test_adv_model_save(build_linear_keras_subclassed_model)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import os
  from absl.testing import parameterized
  import neural_structured_learning.configs
  from neural_structured_learning.keras import adversarial_regularization
  import numpy
  import tensorflow
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 24 for calling the AdversarialRegularizationTest obj's underlying member method code with example usage: obj.test_adv_model_save_subclassed() without return types