feat(prevNode): add test for prevNode
feat(prevNode): add test for prevNode

lumjjb/etcd,dterei/etcd,sayden/etcd,iamqizhao/etcd,fgbreel/etcd,junxu/etcd,CrazyJvm/etcd,bakins/etcd,jchauncey/etcd,Ulexus/etcd,bdarnell/etcd,swingbach/etcd,hongchaodeng/etcd,tangkun75/etcd,combk8s/etcd,es-chow/etcd,StorReduce/etcd,ktateish/etcd,openedbox/etcd,tangkun75/etcd,glycerine/etcd,kingland/etcd,a-robinson/etcd,pauldallen/etcd,wowsoso/etcd,nieanan/etcd,freeloop1114/etcd,mqliang/etcd,lorneli/etcd,betawaffle/etcd,rnaveiras/etcd,mgoelzer/etcd-fork2,HideoYamauchi/etcd,dannysauer/etcd,fgbreel/etcd,hroyrh/etcd,mischief/etcd,HideoYamauchi/etcd,akauppi/etcd,QuantiumTechnology/etcd,zaphod-concur/etcd,honeyqa/etcd,shakefu/etcd,Timer/etcd,chenbaihu/etcd,njucslqq/etcd,crandles/etcd,insionng/etcd,nekto0n/etcd,cognusion/etcd,mischief/etcd,jlamillan/etcd,barakmich/etcd,spotify/etcd,kkaneda/etcd,zaphod-concur/etcd,msanterre/etcd,raoofm/etcd,shafreeck/etcd,steveeJ/etcd,chai2010-playground/etcd,bspline/etcd,ajityagaty/etcd,fasaxc/etcd,siddontang/etcd,lumjjb/etcd,mqliang/etcd,Eagle-X/etcd,hongchaodeng/etcd,jmptrader/etcd,wantonsolutions/dinv-etcd,giantswarm/etcd,ecnahc515/etcd,gouyang/etcd,kingland/etcd,coreos/etcd,gyuho/etcd,mwitkow/etcd,shakefu/etcd,OyTao/etcd_learning,robszumski/etcd,njharman/etcd,vimalk78/etcd,xueshanf/etcd,sebschrader/etcd,TheHippo/etcd,wantonsolutions/dinv-etcd,xdlinear/etcd,yichengq/etcd,mkumatag/etcd,jeremyeder/etcd,mwitkow-io/etcd,chipironcin/etcd,shawnps/etcd,cockroachdb/etcd,SivagnanamCiena/etcd,mike-lerch/etcd,beni55/etcd,glevand/coreos--etcd,nekto0n/etcd,msanterre/etcd,mickep76/etcd,pigfoot/etcd,visheshnp/etcd,handsomesun/etcd,offscale/etcd,delkyd/etcd,whuwxl/etcd,visheshnp/etcd,swingbach/etcd,dalanlan/etcd,insionng/etcd,OyTao/etcd_learning,barakmich/etcd,achanda/etcd,youxidev/etcd,arthurcolle/etcd,jonboulle/etcd,hpcloud/etcd,asim/etcd,sofuture/etcd,sebschrader/etcd,iamqizhao/etcd,heyitsanthony/etcd,ravigadde/etcd,Ulexus/etcd,mwitkow-io/etcd,jravetch/etcd,mkumatag/etcd,Ulexus/etcd,dnaeon/etcd,xychu/etcd,svdata/etcd,fasaxc/etcd,xiang90/etcd,a-robinson/etcd,tamird/etcd,achanda/etcd,rchicoli/etcd,robszumski/etcd,Eagle-X/etcd,westhood/etcd,hzy001/etcd,jefby/etcd,fasaxc/etcd,hzy001/etcd,joshix/etcd,jlamillan/etcd,coreos/etcd,tguangch/etcd,armstrongli/etcd,yudai/etcd,QuantiumTechnology/etcd,oscarrr110/etcd,wantonsolutions/dinv-etcd,glensc/etcd,yichengq/etcd,Yhgenomics/etcd,sinsharat/etcd,linuxcer/etcd,freeloop1114/etcd,akauppi/etcd,princeqjzh/etcd,jonboulle/etcd,chipironcin/etcd,insequent/etcd,purpleidea/etcd,vimalk78/etcd,lzbgt/etcd,mitake/etcd,sayden/etcd,sebrandon1/etcd,mickep76/etcd,spotify/etcd,mitake/etcd,openedbox/etcd,plasticbox/etcd,cvik/etcd,nieanan/etcd,westhood/etcd,yifan-gu/etcd,elimisteve/etcd,polvi/etcd,gtank/etcd,li-ang/etcd,hongbinz/etcd,justintung/etcd,beni55/etcd,qiaochao911/etcd,youxidev/etcd,olark/etcd,glevand/coreos--etcd,gyuho/etcd,chenbaihu/etcd,Winslett/etcd,jmptrader/etcd,StorReduce/etcd,imzhulei/etcd,princeqjzh/etcd,gosharplite/etcd,li-ang/etcd,gtank/etcd,plasticbox/etcd,YuleiXiao/etcd,honeyqa/etcd,etcd-io/etcd,csuideal/etcd,wowsoso/etcd,tempbottle/etcd,rnaveiras/etcd,xebitstudios/etcd,delkyd/etcd,qiaochao911/etcd,etcd-io/etcd,xdlinear/etcd,njharman/etcd,gityf/etcd,jchauncey/etcd,es-chow/etcd,armstrongli/etcd,snailwalker/etcd,bluebreezecf/etcd,TheHippo/etcd,shafreeck/etcd,bdarnell/etcd,justintung/etcd,snailwalker/etcd,spacejam/etcd,cvik/etcd,steveeJ/etcd,chai2010/etcd,axingblog/etcd,combk8s/etcd,giantswarm/etcd,cognusion/etcd,yifan-gu/etcd,ravigadde/etcd,kkaneda/etcd,mwitkow/etcd,chai2010-playground/etcd,devfreesg/etcd,cchamplin/etcd,linuxcer/etcd,junxu/etcd,dalanlan/etcd,dannysauer/etcd,SivagnanamCiena/etcd,yyljlyy/etcd,endocode/etcd,fanminshi/etcd,qqsun8819/etcd,dterei/etcd,heyitsanthony/etcd,Winslett/etcd,xueshanf/etcd,improbable-io/etcd,xiang90/etcd,asim/etcd,buaazp/etcd,csuideal/etcd,CrazyJvm/etcd,hongbinz/etcd,fanminshi/etcd,ktateish/etcd,chai2010/etcd,cchamplin/etcd,yudai/etcd,spotify/etcd,rchicoli/etcd,polvi/etcd,gae123/etcd,Ulexus/etcd,xebitstudios/etcd,onlyjob/etcd,crandles/etcd,qqsun8819/etcd,ajityagaty/etcd,mqliang/etcd,rnaveiras/etcd,betawaffle/etcd,wfxiang08/etcd,whuwxl/etcd,wfxiang08/etcd,gityf/etcd,gae123/etcd,YuleiXiao/etcd,sofuture/etcd,handsomesun/etcd,gouyang/etcd,mkumatag/etcd,nkhare/etcd,hroyrh/etcd,nkhare/etcd,mgoelzer/etcd-fork2,jravetch/etcd,yyljlyy/etcd,lorneli/etcd,sebrandon1/etcd,glycerine/etcd,lzbgt/etcd,spacejam/etcd,Timer/etcd,pauldallen/etcd,etcd-io/etcd,ajityagaty/etcd,mike-lerch/etcd,gosharplite/etcd,bluebreezecf/etcd,hpcloud/etcd,onlyjob/etcd,Yhgenomics/etcd,olark/etcd,offscale/etcd,ylong/etcd,dnaeon/etcd,axingblog/etcd,jefby/etcd,arthurcolle/etcd,luxas/etcd,insequent/etcd,pengzj/etcd,tempbottle/etcd,cockroachdb/etcd,njucslqq/etcd,imzhulei/etcd,siddontang/etcd,oscarrr110/etcd,sinsharat/etcd,glensc/etcd,elimisteve/etcd,joshix/etcd,svdata/etcd,cvik/etcd,cvik/etcd,bakins/etcd,spotify/etcd,improbable-io/etcd,bspline/etcd,endocode/etcd,buaazp/etcd,shawnps/etcd,ylong/etcd,jeremyeder/etcd,raoofm/etcd,devfreesg/etcd,ecnahc515/etcd,pengzj/etcd,purpleidea/etcd,xychu/etcd,luxas/etcd,tamird/etcd,tguangch/etcd