code: def test_geglu_with_dim_expansion(self):
      rng = random.key(0)
      x = jnp.array([[0.123, 0.234], [0.456, 0.789]])
      act = nn.GeGLU(3)
      expected_result = jnp.array(
          [
              [-0.02157649, -0.00018928, -0.01176354],
              [-0.08777858, 0.00258885, -0.18744925],
          ]
      )
      y, _ = act.init_with_output(rng, x)
      np.testing.assert_array_almost_equal(y, expected_result)
  
file_path: flax/tests/linen/linen_activation_test.py
imports: import jax
  import jax.numpy
  import numpy
  from absl.testing import absltest
  from jax import random
  from flax import linen
label_desc: Use image node_id 3 for calling the ActivationTest obj's underlying member method code with example usage: obj.test_geglu_with_dim_expansion() without return types