Test: add test for health/check
Test: add test for health/check

Signed-off-by: Hu Keping <ce660952c949ad2751377b45317337be332e80ac@huawei.com>

nwt/distribution,manoj535/distribution,jzwlqx/distribution,phiroict/docker,jwhonce/distribution,johnstep/docker.github.io,liubin/distribution,championv/distribution,baloo/distribution,JimGalasyn/docker.github.io,RichardScothern/distribution,londoncalling/docker.github.io,dmcgowan/distribution,amitshukla/distribution,menglingwei/denverdino.github.io,humble00/distribution,noxiouz/distribution,shin-/docker.github.io,sergeyfd/distribution,johnstep/docker.github.io,denverdino/distribution,menglingwei/denverdino.github.io,AoJ/distribution,BrianBland/distribution,noxiouz/distribution,whyrusleeping/distribution,sebrandon1/distribution,dalanlan/distribution,rochacon/distribution,docker-zh/docker.github.io,johnstep/docker.github.io,bobphill/distribution,runcom/distribution,paulczar/distribution,higebu/distribution,docker-zh/docker.github.io,phiroict/docker,joeuo/docker.github.io,jmitchell/distribution,spacexnice/distribution,GerritForge/docker-registry,gdevillele/docker.github.io,maquanyi/distribution,mbentley/distribution,wking/docker-distribution,jzwlqx/distribution,cyli/distribution,atyenoria/distribution,sebrandon1/distribution,GerritForge/docker-registry,Seb-Solon/distribution,andrewnguyen/distribution,atyenoria/distribution,lcarstensen/distribution,curtiszimmerman/distribution,JimGalasyn/docker.github.io,LuisBosquez/docker.github.io,shubheksha/docker.github.io,jordimassaguerpla/distribution,thaJeztah/distribution,joeuo/docker.github.io,huamai-io/distribution,beni55/distribution,sanscontext/docker.github.io,arvindkandhare/distribution,djenriquez/distribution,rhoml/distribution,denverdino/denverdino.github.io,danix800/docker.github.io,thaJeztah/docker.github.io,shin-/docker.github.io,aduermael/docker.github.io,harrisonfeng/distribution,denverdino/docker.github.io,docker/distribution,joaofnfernandes/docker.github.io,anweiss/docker.github.io,tschoots/distribution,convox/distribution,BrickXu/distribution,RaviTezu/distribution,JimGalasyn/docker.github.io,denverdino/denverdino.github.io,iskradelta/distribution,huamai-io/distribution,gdevillele/docker.github.io,rillig/docker.github.io,ContainerSolutions/distribution,gdevillele/docker.github.io,danix800/docker.github.io,thaJeztah/docker.github.io,londoncalling/docker.github.io,wangmingshuai/distribution,avinson/distribution,schu/distribution,yeghishe/distribution,bobphill/distribution,denverdino/denverdino.github.io,lcarstensen/distribution,LuisBosquez/docker.github.io,docker/distribution,nevermosby/distribution,djenriquez/distribution,tian-xiaobo/distribution,pdevine/distribution,docker-zh/docker.github.io,denverdino/docker.github.io,jrjang/distribution,deis/distribution,BSWANG/denverdino.github.io,Tiesheng/distribution,BradleyA/distribution,stevvooe/distribution,lindenlab/distribution,aybabtme/distribution,13W/distribution,thelinuxkid/distribution,hanleys/distribution,xiekeyang/distribution,aibaars/distribution,joaofnfernandes/docker.github.io,yeghishe/distribution,harche/distribution,nwt/distribution,LuisBosquez/docker.github.io,rillig/docker.github.io,menglingwei/denverdino.github.io,Gobliip/distribution,lorieri/distribution,vdemeester/distribution,shubheksha/docker.github.io,tt/distribution,ContainerSolutions/distribution,jackpgriffin/distribution,londoncalling/docker.github.io,bdwill/docker.github.io,n1tr0g/distribution,denverdino/denverdino.github.io,shubheksha/docker.github.io,rhoml/distribution,thaJeztah/distribution,Gobliip/distribution,konstruktoid/distribution,JimGalasyn/docker.github.io,mattmoor/distribution,13W/distribution,RichardScothern/distribution,bxy09/distribution,jmitchell/distribution,joaofnfernandes/docker.github.io,johnstep/docker.github.io,rillig/docker.github.io,jpoler/distribution,bpradipt/distribution,jordimassaguerpla/distribution,adambrett-forks/distribution,BSWANG/denverdino.github.io,LouisKottmann/distribution,dmcgowan/distribution,imranraja85/distribution,jzwlqx/denverdino.github.io,anweiss/docker.github.io,tdooner/distribution,aprajshekhar/distribution,maquanyi/distribution,hopkings2008/distribution,calavera/distribution,aduermael/docker.github.io,jhicks-camgian/distribution,londoncalling/docker.github.io,hanleys/distribution,hpcloud/distribution,wangmingshuai/distribution,sallyom/distribution,spacexnice/distribution,bdwill/docker.github.io,alexisbellido/docker.github.io,manoj535/distribution,gdevillele/docker.github.io,iskradelta/distribution,shyr/distribution,jpoler/distribution,genedock/distribution,nateww/distribution,menglingwei/denverdino.github.io,schu/distribution,phiroict/docker,denverdino/denverdino.github.io,kmala/distribution,bpradipt/distribution,sadlil/distribution,rillig/docker.github.io,troy0820/docker.github.io,shin-/docker.github.io,jlhawn/distribution,linearregression/distribution,alexisbellido/docker.github.io,amitshukla/distribution,bigsurge/distribution,docker/docker.github.io,convox/distribution,shubheksha/docker.github.io,dave-tucker/distribution,pdevine/distribution,endophage/distribution,miminar/distribution,Seb-Solon/distribution,LouisKottmann/distribution,jwhonce/distribution,docker/docker.github.io,zhaytee/distribution,estesp/distribution,humble00/distribution,wking/docker-distribution,ChenLingPeng/distribution,avinson/distribution,sanscontext/docker.github.io,dobril-stanga/distribution,troy0820/docker.github.io,docker-zh/docker.github.io,codefresh-io/cf-distribution,uptownhr/distribution,joeuo/docker.github.io,rbarlow/distribution,shin-/docker.github.io,jramseye/distribution,ChenLingPeng/distribution,aaronlehmann/distribution,bigsurge/distribution,vdemeester/distribution,aprajshekhar/distribution,harrisonfeng/distribution,BradleyA/distribution,qiniu/distribution,sanscontext/docker.github.io,jrjang/distribution,cyli/distribution,konnase/distribution,thaJeztah/docker.github.io,bsmr-docker/distribution,aduermael/docker.github.io,dobril-stanga/distribution,jhicks-camgian/distribution,endophage/distribution,duglin/distribution,whyrusleeping/distribution,linearregression/distribution,docker/docker.github.io,joaofnfernandes/docker.github.io,arneluehrs/distribution,sthapaun/distribution,arvindkandhare/distribution,thaJeztah/docker.github.io,miminar/distribution,jlhawn/distribution,gavioto/distribution,moxiegirl/distribution,jackpgriffin/distribution,paulczar/distribution,konstruktoid/distribution,tian-xiaobo/distribution,lorieri/distribution,harche/distribution,hpcloud/distribution,sergeyfd/distribution,curtiszimmerman/distribution,sthapaun/distribution,dv/distribution,AoJ/distribution,rochacon/distribution,aaronlehmann/distribution,joaofnfernandes/docker.github.io,denverdino/distribution-stevvooe,dave-tucker/distribution,troy0820/docker.github.io,aibaars/distribution,adambrett-forks/distribution,denverdino/docker.github.io,anweiss/docker.github.io,denverdino/distribution,codefresh-io/cf-distribution,shubheksha/docker.github.io,ibuildthecloud/distribution,zerosign/distribution,anweiss/docker.github.io,sallyom/distribution,uptownhr/distribution,mattmoor/distribution,CodeJuan/distribution,danix800/docker.github.io,LuisBosquez/docker.github.io,lindenlab/distribution,bxy09/distribution,docker-zh/docker.github.io,menglingwei/denverdino.github.io,rodacom/docker-hub,mikebrow/distribution,aybabtme/distribution,kmala/distribution,johnstep/docker.github.io,alexisbellido/docker.github.io,moxiegirl/distribution,rbarlow/distribution,championv/distribution,JimGalasyn/docker.github.io,CodeJuan/distribution,yuwaMSFT2/distribution,mbentley/distribution,stevvooe/distribution,BSWANG/denverdino.github.io,arneluehrs/distribution,denverdino/docker.github.io,konnase/distribution,mikebrow/distribution,deis/distribution,mattrgreen/distribution,beni55/distribution,docker/docker.github.io,n1tr0g/distribution,andrewnguyen/distribution,zhaytee/distribution,londoncalling/docker.github.io,duglin/distribution,jonboulle/distribution,BrickXu/distribution,Tiesheng/distribution,bsmr-docker/distribution,denverdino/distribution-fuse,aduermael/docker.github.io,bdwill/docker.github.io,tschoots/distribution,jzwlqx/denverdino.github.io,ibuildthecloud/distribution,nevermosby/distribution,estesp/distribution,alexisbellido/docker.github.io,sanscontext/docker.github.io,thelinuxkid/distribution,jzwlqx/denverdino.github.io,bdwill/docker.github.io,jonboulle/distribution,LuisBosquez/docker.github.io,jzwlqx/denverdino.github.io,jramseye/distribution,BSWANG/denverdino.github.io,RyanDeng/distribution,higebu/distribution,shyr/distribution,liubin/distribution,shin-/docker.github.io,nateww/distribution,rodacom/docker-hub,mattrgreen/distribution,zerosign/distribution,docker/docker.github.io,tdooner/distribution,cezarsa/distribution,hopkings2008/distribution,denverdino/docker.github.io,sanscontext/docker.github.io,phiroict/docker,phiroict/docker,troy0820/docker.github.io,xiekeyang/distribution,denverdino/distribution-fuse,armbuilds/distribution,dalanlan/distribution,joeuo/docker.github.io,runcom/distribution,armbuilds/distribution,tt/distribution,gdevillele/docker.github.io,yuwaMSFT2/distribution,calavera/distribution,baloo/distribution,anweiss/docker.github.io,zhangcoldwater/distribution,BrianBland/distribution,RaviTezu/distribution,jzwlqx/denverdino.github.io,cezarsa/distribution,zhangcoldwater/distribution,denverdino/distribution-stevvooe,qiniu/distribution,alexisbellido/docker.github.io,BSWANG/denverdino.github.io,genedock/distribution,RyanDeng/distribution,imranraja85/distribution,dv/distribution,danix800/docker.github.io,bdwill/docker.github.io,thaJeztah/docker.github.io,joeuo/docker.github.io,sadlil/distribution,gavioto/distribution