Fix chainer/testing/__init__.py
Fix chainer/testing/__init__.py

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