code: def create_link(self):
      link = links.Convolution2D(
          self.in_channels,
          self.out_channels,
          (self.kernel_height, self.kernel_width),
          (self.strides_height, self.strides_width),
      )
      return link
  
imports: import unittest
  import numpy
  import pytest
  import six.moves.cPickle
  import chainer
  from chainer.backends import cuda
  from chainer import functions
  from chainer import links
  from chainer import memory_layouts
  from chainer import testing
  from chainer.testing import attr
  from chainer.utils import conv
label_desc: Use image node_id 1 for calling the Convolution2DMemoryLayoutsTestBase obj's underlying member method code with example usage: obj.create_link() and returns: link