code: def test_reverse(self):
      mod = reversed_mlp()
      self.assertEqual([l.output_size for l in mod.layers], [3, 2, 1])
  
imports: from absl.testing import absltest
  from absl.testing import parameterized
  from haiku._src import test_utils
  from haiku._src.nets import mlp
  import jax
  import jax.numpy
label_desc: Use image node_id 13 for calling the MLPTest obj's underlying member method code with example usage: obj.test_reverse() without return types