code: def test_forward_chainerx_cuda(self):
      self.check_forward(
          backend.to_chx(cuda.to_gpu(self.x)),
          backend.to_chx(cuda.to_gpu(self.t)),
      )
  
imports: import unittest
  import numpy
  import six
  import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import functions
  from chainer import gradient_check
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 7 for calling the TestHinge obj's underlying member method code with example usage: obj.test_forward_chainerx_cuda() without return types