code: def setUp(self):
      self.dtype = numpy.float32
      self.w = 10
      self.h = 8
  
imports: import unittest
  import numpy
  from six import moves
  from chainer.backends import cuda
  from chainer import testing
  from chainer.testing import attr
  from chainer.utils import conv
label_desc: Use image node_id 1 for calling the TestCol2Im obj's underlying member method code with example usage: obj.setUp() without return types