Add test for stylizing computational graph
Add test for stylizing computational graph

niboshi/chainer,hvy/chainer,kikusu/chainer,kiyukuta/chainer,ktnyt/chainer,okuta/chainer,benob/chainer,kikusu/chainer,cupy/cupy,anaruse/chainer,ktnyt/chainer,okuta/chainer,rezoo/chainer,jnishi/chainer,tkerola/chainer,jnishi/chainer,cupy/cupy,jnishi/chainer,chainer/chainer,hvy/chainer,ktnyt/chainer,keisuke-umezawa/chainer,kashif/chainer,ronekko/chainer,okuta/chainer,niboshi/chainer,benob/chainer,ktnyt/chainer,ysekky/chainer,pfnet/chainer,cupy/cupy,hvy/chainer,chainer/chainer,wkentaro/chainer,aonotas/chainer,niboshi/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,cupy/cupy,delta2323/chainer,jnishi/chainer,chainer/chainer,okuta/chainer,wkentaro/chainer,niboshi/chainer,hvy/chainer,chainer/chainer,wkentaro/chainer,wkentaro/chainer