Add test to __eq__
Add test to __eq__

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