code: def test_repr(self):
      mod = mlp.MLP([1, 2, 3])
      for index, linear in enumerate(mod.layers):
          self.assertEqual(
              repr(linear),
              f"Linear(output_size={index + 1}, name='linear_{index}')",
          )
  
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 22 for calling the MLPTest obj's underlying member method code with example usage: obj.test_repr() without return types