Add tests with device and without device
Add tests with device and without device

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