code: def test_conv_outsize3(self):
      self.check_conv_outsize(10, 4, 3, 2, 2)
  
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 5 for calling the TestConv obj's underlying member method code with example usage: obj.test_conv_outsize3() without return types