raft: add tests for maybeappend
raft: add tests for maybeappend

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