code: def testCopy(self):
      wrapper = rnn_wrapper.RNNWrapper(
          tf.keras.layers.LSTM(
              3, return_state=True, return_sequences=True
          )
      )
      clone = type(wrapper).from_config(wrapper.get_config())
      self.assertEqual(
          wrapper.wrapped_layer.dtype, clone.wrapped_layer.dtype
      )
      self.assertEqual(
          wrapper.wrapped_layer.units, clone.wrapped_layer.units
      )
  
file_path: agents/tf_agents/keras_layers/rnn_wrapper_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow.compat.v2
  from tf_agents.keras_layers import rnn_wrapper
  from tf_agents.utils import test_utils
label_desc: Use image node_id 3 for calling the RNNWrapperTest obj's underlying member method code with example usage: obj.testCopy() without return types