code: def test_commutes(self):
      (space, serializer) = self._make_space_and_serializer()
      input_array = self._sample_batch(space)
      representation = serializer.serialize(input_array)
      output_array = serializer.deserialize(representation)
      # Testing till 5 decimals to reduce flakyness.
      np.testing.assert_array_almost_equal(
          input_array, output_array, decimal=5
      )
  
imports: import gin
  import gym
  import numpy
  from tensorflow import test
  from trax.rl import space_serializer
label_desc: Use image node_id 4 for calling the BoxSpaceSerializerTest obj's underlying member method code with example usage: obj.test_commutes() without return types