code: def tearDown(self):
      if self.model_dir:
          shutil.rmtree(self.model_dir)
      super(AdversarialRegularizationTest, self).tearDown()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import shutil
  import tempfile
  from absl.testing import parameterized
  import neural_structured_learning.configs
  import neural_structured_learning.estimator
  import numpy
  import tensorflow
  from tensorflow import estimator
  from tensorflow.python.framework import test_util
label_desc: Use image node_id 2 for calling the AdversarialRegularizationTest obj's underlying member method code with example usage: obj.tearDown() without return types