code: def test_invalid_axis(self, axis):
      with self.assertRaisesRegex(
          ValueError,
          "`axis` should be an int, slice or iterable of ints.",
      ):
          layer_norm.LayerNorm(
              axis, create_scale=False, create_offset=False
          )
  
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 6 for calling the LayerNormTest obj's underlying member method code with example usage: obj.test_invalid_axis(axis) without return types