Add test_set_creator_gpu
Add test_set_creator_gpu

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