code: def test_wrong_weight_name(self):
      wrong_Weight_name = "w"
      hook = WeightStandardization(weight_name=wrong_Weight_name)
      with pytest.raises(ValueError):
          self.layer.add_hook(hook)
  
imports: import unittest
  import numpy
  import pytest
  import chainer
  from chainer.backends import cuda
  from chainer.link_hooks.weight_standardization import WeightStandardization
  import chainer.links
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 2 for calling the TestExceptions obj's underlying member method code with example usage: obj.test_wrong_weight_name() without return types