Refactor test
Refactor test

keisuke-umezawa/chainer,bayerj/chainer,sinhrks/chainer,wkentaro/chainer,t-abe/chainer,jfsantos/chainer,tigerneil/chainer,kashif/chainer,keisuke-umezawa/chainer,masia02/chainer,benob/chainer,hvy/chainer,jnishi/chainer,hvy/chainer,AlpacaDB/chainer,okuta/chainer,kuwa32/chainer,tkerola/chainer,1986ks/chainer,yanweifu/chainer,okuta/chainer,okuta/chainer,chainer/chainer,truongdq/chainer,jnishi/chainer,Kaisuke5/chainer,sou81821/chainer,wkentaro/chainer,ktnyt/chainer,jnishi/chainer,wkentaro/chainer,niboshi/chainer,anaruse/chainer,elviswf/chainer,wkentaro/chainer,laysakura/chainer,aonotas/chainer,tscohen/chainer,chainer/chainer,ttakamura/chainer,cupy/cupy,truongdq/chainer,minhpqn/chainer,keisuke-umezawa/chainer,nushio3/chainer,jnishi/chainer,ronekko/chainer,cupy/cupy,rezoo/chainer,nushio3/chainer,cupy/cupy,kikusu/chainer,ysekky/chainer,delta2323/chainer,niboshi/chainer,tereka114/chainer,t-abe/chainer,sinhrks/chainer,ktnyt/chainer,woodshop/complex-chainer,benob/chainer,hidenori-t/chainer,okuta/chainer,ktnyt/chainer,kikusu/chainer,woodshop/chainer,hvy/chainer,umitanuki/chainer,chainer/chainer,AlpacaDB/chainer,ttakamura/chainer,muupan/chainer,muupan/chainer,cupy/cupy,niboshi/chainer,wavelets/chainer,ikasumi/chainer,cemoody/chainer,ytoyama/yans_chainer_hackathon,ktnyt/chainer,niboshi/chainer,keisuke-umezawa/chainer,pfnet/chainer,kiyukuta/chainer,hvy/chainer,chainer/chainer