code: def setUp(self):
      self.h = numpy.random.uniform(-1, 1, (3, 4)).astype(numpy.float32)
      self.x = numpy.random.uniform(-1, 1, (3, 4)).astype(numpy.float32)
      self.gy = numpy.random.uniform(-1, 1, (3, 4)).astype(
          numpy.float32
      )
      self.ggh = numpy.random.uniform(-1, 1, (3, 4)).astype(
          numpy.float32
      )
      self.ggx = numpy.random.uniform(-1, 1, (3, 4)).astype(
          numpy.float32
      )
  
imports: import unittest
  import mock
  import numpy
  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 1 for calling the TestZoneout obj's underlying member method code with example usage: obj.setUp() without return types