code: def test_classifier_type_check_fail(self):
      backend_test_classifier_type_check_fail(
          Wasserstein,
          (BaseEstimator, LossGradientsMixin, ClassifierMixin),
      )
  
file_path: adversarial-robustness-toolbox/tests/attacks/test_wasserstein.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import unittest
  import numpy
  from art.attacks.evasion.wasserstein import Wasserstein
  from art.estimators.estimator import BaseEstimator, LossGradientsMixin
  from art.estimators.classification.classifier import ClassifierMixin
  from art.utils import get_labels_np_array, random_targets
  from tests.utils import TestBase, master_seed
  from tests.utils import get_image_classifier_tf, get_image_classifier_pt
  from tests.attacks.utils import backend_test_classifier_type_check_fail
label_desc: Use image node_id 7 for calling the TestWasserstein obj's underlying member method code with example usage: obj.test_classifier_type_check_fail() without return types