code: def setUp(self):
      master_seed(seed=42)
      super().setUp()
  
file_path: adversarial-robustness-toolbox/tests/metrics/test_gradient_check.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import unittest
  import numpy
  from art.metrics.gradient_check import loss_gradient_check
  from art.utils import load_mnist
  from tests.utils import TestBase, master_seed, get_image_classifier_kr
label_desc: Use image node_id 1 for calling the TestGradientCheck obj's underlying member method code with example usage: obj.setUp() without return types