class_docstr: A unittest class for testing Feature Collision attack.
class_docstr_tok: ["A","unittest","class","for","testing","Feature","Collision","attack","."]
docstr: Test working keras implementation.
  :return:
docstr_tok: ["Test","working","keras","implementation",".",":","return",":"]
code: def test_keras(self):
      """
      Test working keras implementation.
      :return:
      """
      krc = get_image_classifier_kr()
      x_adv, y_adv = self.poison_dataset(
          krc, self.x_train_mnist, self.y_train_mnist
      )
      krc.fit(x_adv, y_adv, nb_epochs=NB_EPOCHS, batch_size=32)
  
file_path: adversarial-robustness-toolbox/tests/attacks/test_feature_collision.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import unittest
  import numpy
  from art.attacks.poisoning.feature_collision_attack import FeatureCollisionAttack
  from tests.utils import TestBase, master_seed, get_image_classifier_kr
label_desc: Use image node_id 4 for calling the TestFeatureCollision obj's underlying member method code with example usage: obj.test_keras() without return types