fix test -- avoid race
fix test -- avoid race

magastzheng/doozerd,npchp110/doozerd,ylong/doozerd,ylong/doozerd,rowhit/doozerd,ha/doozerd,soundcloud/doozerd,bitly/doozerd,magastzheng/doozerd,ylong/doozerd,soundcloud/doozerd,tempbottle/doozerd,zyxar/doozerd,npchp110/doozer,soundcloud/doozerd,npchp110/doozerd,jmptrader/doozerd,tempbottle/doozerd,ha/doozerd,zyxar/doozerd,zyxar/doozerd,magastzheng/doozerd,soundcloud/doozer,npchp110/doozerd,tempbottle/doozerd,npchp110/doozerd,coreos/doozerd,jmptrader/doozer,coreos/doozerd,jmptrader/doozerd,ylong/doozerd,tempbottle/doozerd,coreos/doozer,rowhit/doozerd,rowhit/doozerd,rowhit/doozerd,bitly/doozerd,ha/doozer,bitly/doozerd,magastzheng/doozerd,jmptrader/doozerd,jmptrader/doozerd,coreos/doozerd,ha/doozerd,zyxar/doozerd,soundcloud/doozerd,soundcloud/doozer