test: fix wait on integration tests
test: fix wait on integration tests

Typo was causing failed tests to look like they passed on CI.

etcd-io/etcd,bdarnell/etcd,yudai/etcd,dnaeon/etcd,coreos/etcd,ktateish/etcd,heyitsanthony/etcd,jlamillan/etcd,a-robinson/etcd,xiang90/etcd,mkumatag/etcd,rnaveiras/etcd,CrazyJvm/etcd,bdarnell/etcd,YuleiXiao/etcd,wantonsolutions/dinv-etcd,bluebreezecf/etcd,bluebreezecf/etcd,endocode/etcd,yudai/etcd,wantonsolutions/dinv-etcd,purpleidea/etcd,gyuho/etcd,ravigadde/etcd,rchicoli/etcd,sebrandon1/etcd,etcd-io/etcd,westhood/etcd,sofuture/etcd,gyuho/etcd,StorReduce/etcd,insequent/etcd,YuleiXiao/etcd,swingbach/etcd,jlamillan/etcd,glevand/coreos--etcd,sebrandon1/etcd,nekto0n/etcd,jonboulle/etcd,visheshnp/etcd,ravigadde/etcd,plasticbox/etcd,luxas/etcd,akauppi/etcd,zaphod-concur/etcd,wantonsolutions/dinv-etcd,ajityagaty/etcd,qqsun8819/etcd,fanminshi/etcd,rnaveiras/etcd,endocode/etcd,glycerine/etcd,joshix/etcd,CrazyJvm/etcd,armstrongli/etcd,li-ang/etcd,purpleidea/etcd,jonboulle/etcd,mkumatag/etcd,linuxcer/etcd,dannysauer/etcd,heyitsanthony/etcd,hongchaodeng/etcd,whuwxl/etcd,a-robinson/etcd,ajityagaty/etcd,vimalk78/etcd,StorReduce/etcd,ktateish/etcd,lumjjb/etcd,mkumatag/etcd,lumjjb/etcd,lorneli/etcd,plasticbox/etcd,cockroachdb/etcd,coreos/etcd,OyTao/etcd_learning,swingbach/etcd,visheshnp/etcd,chipironcin/etcd,nekto0n/etcd,linuxcer/etcd,luxas/etcd,qqsun8819/etcd,handsomesun/etcd,lorneli/etcd,OyTao/etcd_learning,zaphod-concur/etcd,westhood/etcd,dnaeon/etcd,sinsharat/etcd,glevand/coreos--etcd,mqliang/etcd,mqliang/etcd,li-ang/etcd,tguangch/etcd,dannysauer/etcd,tguangch/etcd,fanminshi/etcd,xiang90/etcd,armstrongli/etcd,insequent/etcd,joshix/etcd,mickep76/etcd,vimalk78/etcd,chipironcin/etcd,sinsharat/etcd,handsomesun/etcd,sofuture/etcd,rnaveiras/etcd,whuwxl/etcd,akauppi/etcd,rchicoli/etcd,cockroachdb/etcd,mickep76/etcd,ajityagaty/etcd,etcd-io/etcd,glycerine/etcd,mqliang/etcd,hongchaodeng/etcd