code: def test_remat_decorator(self):
      class RematLinear(nnx.Module):
          @nnx.remat
          def __init__(self, din: int, dout: int, *, rngs: nnx.Rngs):
              self.linear = nnx.Linear(din, dout, rngs=rngs)
  
          @nnx.remat
          def __call__(self, x: jax.Array) -> jax.Array:
              return self.linear(x)
  
      module = RematLinear(2, 3, rngs=nnx.Rngs(0))
  
      y = module(jnp.ones((1, 2)))
  
      assert y.shape == (1, 3)
  
imports: import typing
  from functools import partial
  import jax
  import jax.numpy
  import pytest
  from flax.experimental import nnx
label_desc: Use image node_id 2 for calling the TestRemat obj's underlying member method code with example usage: obj.test_remat_decorator() and returns: self