code: def test_gpu(self):
      chainer.functions.bilinear(
          *map(
              cuda.to_gpu,
              (self.e1, self.e2, self.w, self.v1, self.v2, self.b),
          )
      )
  
imports: import unittest
  import numpy
  import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import functions
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 3 for calling the TestBilinearFunctionLarge obj's underlying member method code with example usage: obj.test_gpu() without return types