Fix cuda_conv_test
Fix cuda_conv_test

wkentaro/chainer,chainer/chainer,niboshi/chainer,okuta/chainer,keisuke-umezawa/chainer,hvy/chainer,niboshi/chainer,chainer/chainer,hvy/chainer,wkentaro/chainer,okuta/chainer,keisuke-umezawa/chainer,hvy/chainer,okuta/chainer,niboshi/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,chainer/chainer,wkentaro/chainer,wkentaro/chainer,hvy/chainer,chainer/chainer,tkerola/chainer,niboshi/chainer,okuta/chainer,pfnet/chainer