Test broader format of `outputs`
Test broader format of `outputs`

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