code: def test_wrong_parameters_5(self):
      with self.assertRaises(ValueError):
          self.defence.set_params(ex_re_threshold=-1)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import unittest
  from keras.preprocessing.image import ImageDataGenerator
  import numpy
  from art.data_generators import KerasDataGenerator
  from art.defences.detector.poison import ActivationDefence
  from art.utils import load_mnist
  from art.visualization import convert_to_rgb
  from tests.utils import master_seed
label_desc: Use image node_id 7 for calling the TestActivationDefence obj's underlying member method code with example usage: obj.test_wrong_parameters_5() without return types