nsqd: improve in flight pqueue remove test
nsqd: improve in flight pqueue remove test

this actually asserts that the message removed was the one
we asked for (this is what was broken)

philipbo/nsq,lcp0578/nsq,jmptrader/nsq,msn217/nsq,wuxu92/nsq,msn217/nsq,magastzheng/nsq,judwhite/nsq-0.3.2-win,judwhite/nsq-0.3.2-win,msn217/nsq,myhongkongzhen/nsq,beni55/nsq,qinlodestar/nsq,mreiferson/nsq,yh453926638/nsq,chaosue/nsq,qinlodestar/nsq,myhongkongzhen/nsq,gaowenbin/nsq,szqh97/nsq,gaowenbin/nsq,chaosue/nsq,moander/nsq,jehiah/nsq,beni55/nsq,ShinichR/nsq,rpau/nsq,bo406/nsq,MadBomber/nsq,coderhaoxin/nsq,gaowenbin/nsq,jlr52/nsq,ShinichR/nsq,Dieterbe/nsq,nieanan/nsq,propellerads/nsq,bitly/nsq,mashuai/nsq,philipbo/nsq,lcp0578/nsq,mreiferson/nsq,bitly/nsq,wmydz1/nsq,ploxiln/nsq,MadBomber/nsq,kesutton/nsq,jehiah/nsq,CrazyJvm/nsq,lcp0578/nsq,propellerads/nsq,bitly/nsq,jehiah/nsq,sparklxb/nsq,ploxiln/nsq,bo406/nsq,mreiferson/nsq,youxidev/nsq,handsomesun/nsq,kevinc0825/nsq,w4ngyi/nsq,mikedewar/nsq,kesutton/nsq,szqh97/nsq,mikedewar/nsq,OlafRadicke/nsq,Dieterbe/nsq,CrazyJvm/nsq,ploxiln/nsq,msn217/nsq,lcp0578/nsq,mreiferson/nsq,xiexingguang/nsq,wmydz1/nsq,szqh97/nsq,seanluo/nsq_with_note,philipbo/nsq,mikeqian/nsq,MadBomber/nsq,philipbo/nsq,ploxiln/nsq,chrislusf/nsq,yh453926638/nsq,gaowenbin/nsq,sparklxb/nsq,rpau/nsq,xiexingguang/nsq,gaowenbin/nsq,mashuai/nsq,seanluo/nsq_with_note,sparklxb/nsq,qinlodestar/nsq,kesutton/nsq,myhongkongzhen/nsq,jlr52/nsq,sparklxb/nsq,rpau/nsq,CrazyJvm/nsq,absolute8511/nsq,wuxu92/nsq,yh453926638/nsq,myhongkongzhen/nsq,w4ngyi/nsq,jmptrader/nsq,xuzhaokui/nsq,nsqio/nsq,handsomesun/nsq,19hz/nsq,nieanan/nsq,kesutton/nsq,wmydz1/nsq,w4ngyi/nsq,mashuai/nsq,chrislusf/nsq,kevinc0825/nsq,OlafRadicke/nsq,myhongkongzhen/nsq,yh453926638/nsq,msn217/nsq,nsqio/nsq,mikeqian/nsq,jmptrader/nsq,jlr52/nsq,coderhaoxin/nsq,nsqio/nsq,MadBomber/nsq,szqh97/nsq,sparklxb/nsq,yh453926638/nsq,chaosue/nsq,handsomesun/nsq,nieanan/nsq,absolute8511/nsq,bo406/nsq,wmydz1/nsq,jlr52/nsq,judwhite/nsq-0.3.2-win,ploxiln/nsq,chaosue/nsq,qinlodestar/nsq,youxidev/nsq,mikeqian/nsq,Dieterbe/nsq,youxidev/nsq,mikedewar/nsq,absolute8511/nsq,xuzhaokui/nsq,mreiferson/nsq,wmydz1/nsq,chrislusf/nsq,bitly/nsq,w4ngyi/nsq,kesutton/nsq,MadBomber/nsq,mikeqian/nsq,Dieterbe/nsq,bo406/nsq,absolute8511/nsq,chaosue/nsq,kevinc0825/nsq,w4ngyi/nsq,Dieterbe/nsq,19hz/nsq,beni55/nsq,szqh97/nsq,magastzheng/nsq,nsqio/nsq,xiexingguang/nsq,coderhaoxin/nsq,xiexingguang/nsq,wuxu92/nsq,mashuai/nsq,bitly/nsq,mikeqian/nsq,19hz/nsq,ShinichR/nsq,mashuai/nsq,jehiah/nsq,rpau/nsq,jlr52/nsq,beni55/nsq,bo406/nsq,handsomesun/nsq,moander/nsq,magastzheng/nsq,propellerads/nsq,xuzhaokui/nsq,coderhaoxin/nsq,philipbo/nsq,jehiah/nsq,ShinichR/nsq,OlafRadicke/nsq,rpau/nsq,moander/nsq,xiexingguang/nsq,handsomesun/nsq,beni55/nsq,CrazyJvm/nsq,ShinichR/nsq,CrazyJvm/nsq,qinlodestar/nsq,lcp0578/nsq,coderhaoxin/nsq,absolute8511/nsq,nsqio/nsq