Added tests
Added tests

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