code: def test_set_state_gpu(self):
      with testing.assert_warns(DeprecationWarning):
          getattr(self.link, self.link_array_module)()
      getattr(self.h, self.state_array_module)()
      self.check_set_state(self.h)
  
imports: import unittest
  import numpy
  import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import gradient_check
  from chainer import links
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 4 for calling the TestGRUState obj's underlying member method code with example usage: obj.test_set_state_gpu() without return types