code: def test_param_axis_sets_param_shape(self, param_axis, param_shape):
      ln = layer_norm.LayerNorm(-1, True, True, param_axis=param_axis)
      x = jnp.ones([3, 4, 5, 6])
      ln(x)
      self.assertEqual(
          ln.params_dict()["layer_norm/scale"].shape, param_shape
      )
      self.assertEqual(
          ln.params_dict()["layer_norm/offset"].shape, param_shape
      )
  
imports: import functools
  import itertools
  from absl.testing import absltest
  from absl.testing import parameterized
  from haiku._src import initializers
  from haiku._src import layer_norm
  from haiku._src import test_utils
  from haiku._src import transform
  import jax
  import jax.numpy
  import numpy
label_desc: Use image node_id 16 for calling the LayerNormTest obj's underlying member method code with example usage: obj.test_param_axis_sets_param_shape(param_axis, param_shape) without return types