Add test for Array::AsConstant() as view
Add test for Array::AsConstant() as view

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