code: def setUp(self):
      self.h = function_hooks.CUDAProfileHook()
      self.x = numpy.random.uniform(-1, 1, (2, 3)).astype("f")
      self.gy = numpy.random.uniform(-1, 1, (2, 3)).astype("f")
  
imports: import unittest
  import mock
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import function_hooks
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 1 for calling the TestCUDAProfileHook obj's underlying member method code with example usage: obj.setUp() without return types