Test callback call order
Test callback call order

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