code: def test_batch_norm(self):
      model = tests.mocks.models_keras.Keras()
      model.estimator.batch_norm = True
      model.estimator.build()
      assert True
  
imports: import unittest
  import tests.mocks.models_keras
  import scipy.stats
  import numpy
label_desc: Use image node_id 10 for calling the TestKeras obj's underlying member method code with example usage: obj.test_batch_norm() without return types