code: def test_invalid_level(self):
      self.assertRaises(ValueError, chainer.should_use_cudnn, "==auto")
  
file_path: chainer/tests/chainer_tests/test_init.py
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 3 for calling the TestUseCuDNN obj's underlying member method code with example usage: obj.test_invalid_level() without return types