code: def testFromConfigBatchNorm(self):
      l1 = squashed_outer_wrapper.SquashedOuterWrapper(
          tf.keras.layers.BatchNormalization(axis=-1), inner_rank=3
      )
      l2 = squashed_outer_wrapper.SquashedOuterWrapper.from_config(
          l1.get_config()
      )
      self.assertEqual(l1.get_config(), l2.get_config())
  
file_path: agents/tf_agents/keras_layers/squashed_outer_wrapper_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  from tf_agents.keras_layers import squashed_outer_wrapper
  from tf_agents.utils import common
  from tf_agents.utils import test_utils
label_desc: Use image node_id 1 for calling the SquashedOuterWrapperTest obj's underlying member method code with example usage: obj.testFromConfigBatchNorm() without return types