code: def test_softmax_layer_name_is_softmax(self):
      model = KerasModelWrapper(self.model)
      softmax_name = model._get_softmax_name()
      self.assertEqual(softmax_name, "softmax")
  
file_path: cleverhans/cleverhans_v3.1.0/tests_tf/test_utils_keras.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import unittest
  import numpy
  from tensorflow import keras
  from cleverhans.utils_keras import KerasModelWrapper
label_desc: Use image node_id 2 for calling the TestKerasModelWrapper obj's underlying member method code with example usage: obj.test_softmax_layer_name_is_softmax() without return types