testutil: whitelist thread created by go cover
testutil: whitelist thread created by go cover

li-ang/etcd,mickep76/etcd,coreos/etcd,gyuho/etcd,lumjjb/etcd,insequent/etcd,glevand/coreos--etcd,lorneli/etcd,plasticbox/etcd,a-robinson/etcd,a-robinson/etcd,ajityagaty/etcd,akauppi/etcd,ajityagaty/etcd,lorneli/etcd,bdarnell/etcd,fanminshi/etcd,plasticbox/etcd,rchicoli/etcd,CrazyJvm/etcd,bdarnell/etcd,xiang90/etcd,lumjjb/etcd,yudai/etcd,rnaveiras/etcd,insequent/etcd,akauppi/etcd,heyitsanthony/etcd,rnaveiras/etcd,tguangch/etcd,joshix/etcd,fanminshi/etcd,vimalk78/etcd,ravigadde/etcd,cockroachdb/etcd,cockroachdb/etcd,bluebreezecf/etcd,gyuho/etcd,armstrongli/etcd,CrazyJvm/etcd,dannysauer/etcd,jlamillan/etcd,YuleiXiao/etcd,etcd-io/etcd,mqliang/etcd,handsomesun/etcd,etcd-io/etcd,ajityagaty/etcd,mkumatag/etcd,mkumatag/etcd,mqliang/etcd,li-ang/etcd,sebrandon1/etcd,vimalk78/etcd,whuwxl/etcd,ravigadde/etcd,coreos/etcd,heyitsanthony/etcd,mqliang/etcd,etcd-io/etcd,visheshnp/etcd,armstrongli/etcd,tguangch/etcd,bluebreezecf/etcd,mickep76/etcd,yudai/etcd,rnaveiras/etcd,whuwxl/etcd,glevand/coreos--etcd,sinsharat/etcd,YuleiXiao/etcd,xiang90/etcd,joshix/etcd,rchicoli/etcd,handsomesun/etcd,visheshnp/etcd,sebrandon1/etcd,sinsharat/etcd,jlamillan/etcd,dannysauer/etcd,mkumatag/etcd