enable unit test of dstream
enable unit test of dstream

Mignet/dpark,304471720/dpark,quxiaolong1504/dpark,douban/dpark,oceanjack/dpark,junmoa/dpark,windreamer/dpark,mageia/dpark,daishaowei/dpark,windreamer/dpark,mageia/dpark,smarthomekit/dpark,oceanjack/dpark,dogeyes/dpark,douban/dpark,zzl0/dpark,quxiaolong1504/dpark,fe11x/dpark,daishaowei/dpark,dogeyes/dpark,dogeyes/dpark,smarthomekit/dpark,douban/dpark,veritynoob/dpark,douban/dpark,yanheven/dpark,yanheven/dpark,yhj630520/dpark,zzl0/dpark,ee08b397/dpark,douban/dpark,windreamer/dpark,smarthomekit/dpark,junmoa/dpark,Mignet/dpark,fe11x/dpark,yhj630520/dpark,yhj630520/dpark,304471720/dpark,windreamer/dpark,veritynoob/dpark,veritynoob/dpark,304471720/dpark