Builder/context unit tests
Builder/context unit tests

Signed-off-by: Tomasz Kopczynski <ea73344294b1c6e2cb529d7fc98a4971de7607ac@kopczynski.net.pl>

sterchelen/docker,justincormack/docker,miminar/docker,londoncalling/docker.github.io,coolljt0725/docker,SvenDowideit/docker,scotttlin/docker,KarthikNayak/docker,Microsoft/docker,Ramzec/docker,pramodhkp/moby,tianon/docker,amatsus/docker,menglingwei/denverdino.github.io,allencloud/docker,ColinHebert/docker,tophj-ibm/moby,ajaymdesai/docker,splunk/docker,yosifkit/docker,ibuildthecloud/docker,Mokolea/docker,pradipd/moby,cyphar/docker,crosbymichael/docker,thaJeztah/docker,justincormack/docker,thaJeztah/docker.github.io,BenHall/docker,sanscontext/docker.github.io,tianon/docker,BSWANG/denverdino.github.io,phiroict/docker,pyotr777/docker,moby/moby,alfred-landrum/docker,jlebon/docker,mohmost12/docker,Morsicus/docker,tophj-ibm/docker,runcom/docker,whuwxl/docker,medallia/docker,jlhawn/docker,mgoelzer/docker,coreos/docker,rremer/moby,mkumatag/docker,projectatomic/docker,jthelin/docker,sdurrheimer/docker,johnstep/moby-moby,geekylucas/docker,diogomonica/docker,joaofnfernandes/docker.github.io,mtesselH/docker,charleszheng44/moby,anweiss/docker.github.io,alexisbellido/docker.github.io,imkin/moby,gdevillele/docker.github.io,trebonian/docker,duglin/docker,toli/docker,rillig/docker.github.io,sunyuan3/docker,shubheksha/docker.github.io,dperny/docker,rillig/docker.github.io,paralin/docker,Tenk42/docker,kojiromike/docker,konstruktoid/docker-1,JMesser81/docker,bearstech/moby,joeuo/docker.github.io,Shopify/docker,lixiaobing1/docker,PatrickLang/moby,mathewkoshy493/docker,darrenstahlmsft/docker,sunyuan3/docker,jvanz/docker,joaofnfernandes/docker.github.io,gdevillele/docker.github.io,qudongfang/docker,catinthesky/docker,LaynePeng/docker,dongjoon-hyun/docker,johnstep/moby-moby,msabansal/docker,prertik/docker,ajaymdesai/docker,jthelin/docker,imkin/moby,dnephin/docker,sterchelen/docker,shishir-a412ed/docker,jzwlqx/denverdino.github.io,resin-io/docker,portworx/docker,inatatsu/docker,stainboy/docker,tklauser/docker,jhorwit2/docker,zhuguihua/docker,kojiromike/docker,yasiramin10p/moby,geekylucas/docker,qudongfang/docker,gigidwan/docker,TheBigBear/docker,13W/docker,thaJeztah/docker.github.io,jlhawn/docker,bdwill/docker.github.io,denverdino/denverdino.github.io,konstruktoid/docker-upstream,wenchma/docker,tkopczynski/docker,maxamillion/docker,bdwill/docker.github.io,Tenk42/docker,13W/docker,rkazak/docker,portworx/docker,charleswhchan/docker,cpuguy83/docker,flavio/docker,gschaetz/moby,djs55/docker,sfsmithcha/docker,SvenDowideit/docker,yosifkit/docker,13W/docker,mtanlee/docker,sean-jc/docker,kencochrane/docker,dims/docker,djs55/docker,fcrisciani/docker,naveed-jamil-tenpearls/moby,moby/moby,anweiss/docker.github.io,prertik/docker,moul/docker,Syntaxide/docker,gschaetz/moby,estesp/docker,konstruktoid/docker-upstream,mtanlee/docker,sean-jc/docker,jimjag/docker,pyotr777/docker,Mokolea/docker,cpuguy83/docker,errordeveloper/docker,abhinavdahiya/docker,danix800/docker.github.io,akira-baruah/docker,x1022as/docker,icaoweiwei/docker,bearstech/moby,thaJeztah/docker.github.io,toli/docker,BSWANG/denverdino.github.io,jlhawn/docker,mahak/docker,stainboy/docker,denverdino/denverdino.github.io,madhanrm/docker,rancher/docker,KarthikNayak/docker,noironetworks/docker,gnailuy/docker,tkopczynski/docker,gnailuy/docker,thaJeztah/docker,shin-/docker.github.io,akira-baruah/docker,jzwlqx/denverdino.github.io,bonczj/moby-json-file-logger,BSWANG/denverdino.github.io,jhorwit2/docker,sanscontext/docker.github.io,TheBigBear/docker,tmp6154/docker,duglin/docker,allencloud/docker,ajaymdesai/docker,ripcurld0/moby,kolyshkin/moby,dims/docker,joaofnfernandes/docker.github.io,JMesser81/docker,nghiant2710/docker,jzwlqx/denverdino.github.io,justincormack/docker,willmtemple/docker,mikedougherty/docker,tagomoris/docker,sterchelen/docker,dgageot/docker,charleszheng44/moby,medallia/docker,tklauser/docker,bdwill/docker.github.io,noironetworks/docker,jongiddy/docker,moypray/docker,pradipd/moby,harche/docker,umerazad/docker,laijs/docker,mtesselH/docker,joeuo/docker.github.io,Morsicus/docker,AkihiroSuda/docker,bluebreezecf/docker,errordeveloper/docker,ibuildthecloud/docker,dnephin/docker,nawawi/docker,Mokolea/docker,estesp/docker,joaofnfernandes/docker.github.io,q384566678/docker,abhinavdahiya/docker,PatrickLang/moby,yosifkit/docker,xiaods/docker,ffoysal/docker,dccurtis/docker,JimGalasyn/docker.github.io,YuPengZTE/docker,tkopczynski/docker,rhardih/docker,mike1729/docker,Altiscale/docker,menglingwei/denverdino.github.io,mohmost12/docker,thaJeztah/docker.github.io,crosbymichael/docker,moypray/docker,dsau/docker,jimjag/docker,nalind/docker,HideoYamauchi/docker,mstanleyjones/docker,xiekeyang/docker,TrumanLing/docker,ibuildthecloud/docker,sdurrheimer/docker,ffoysal/docker,LuisBosquez/docker.github.io,dmcgowan/docker,alexisbellido/docker.github.io,dnephin/docker,ColinHebert/docker,icaoweiwei/docker,danix800/docker.github.io,jameszhan/docker,paralin/docker,sheimi/docker,fcrisciani/docker,rancher/docker,mtanlee/docker,lixiaobing1/docker,xiaods/docker,asbjornenge/docker,sarnautov/moby,AkihiroSuda/docker,containers/storage,rhardih/docker,shubheksha/docker.github.io,isubuz/docker,endophage/docker,ffoysal/docker,michelvocks/docker,gigidwan/docker,shin-/docker.github.io,ndeloof/docker,trebonian/docker,containers/storage,londoncalling/docker.github.io,yosifkit/docker,mike1729/docker,yp-engineering/docker,stevvooe/docker,alfred-landrum/docker,yp-engineering/docker,danyalKhaliq10p/moby,resin-io/docker,flavio/docker,kunalkushwaha/docker,haveatry/docker,sarnautov/moby,Shopify/docker,justyntemme/docker,joaofnfernandes/docker.github.io,DoraALin/docker,gnailuy/docker,Mashimiao/docker,mikedougherty/docker,unclejack/docker,mikedougherty/docker,Tenk42/docker,konstruktoid/docker-1,containers/storage,shin-/docker.github.io,achanda/docker,laijs/docker,noxiouz/docker,tophj-ibm/moby,darrenstahlmsft/moby,BSWANG/denverdino.github.io,michelvocks/docker,mahak/docker,OnePaaS/docker,sfsmithcha/docker,crosbymichael/docker,menglingwei/denverdino.github.io,AkihiroSuda/docker,rremer/moby,KingEmet/docker,vdemeester/docker,KingEmet/docker,rhatdan/docker,raja-sami-10p/moby,dims/docker,diogomonica/docker,afein/docker,brahmaroutu/docker,nawawi/docker,mtrmac/docker,asbjornenge/docker,michael-holzheu/docker,moxiegirl/docker,cpuguy83/docker,AkihiroSuda/docker,raja-sami-10p/moby,mtrmac/docker,bfirsh/docker,bonczj/moby-json-file-logger,LaynePeng/docker,mathewkoshy493/docker,yummypeng/docker,jongiddy/docker,maxamillion/docker,gjaskiewicz/moby,jameszhan/docker,whuwxl/docker,Mokolea/docker,mstanleyjones/docker,rillig/docker.github.io,hypriot/docker,mathewkoshy493/docker,Syntaxide/docker,londoncalling/docker.github.io,cyphar/docker,whuwxl/docker,menglingwei/denverdino.github.io,sfsmithcha/docker,splunk/docker,paralin/docker,yongtang/docker,docker/docker.github.io,phiroict/docker,runcom/docker,docker-zh/docker.github.io,ripcurld0/moby,aduermael/docker.github.io,johnstep/docker.github.io,brahmaroutu/docker,endophage/docker,kerneltime/docker,allencloud/docker,docker-zh/docker.github.io,OnePaaS/docker,cr7pt0gr4ph7/docker,hypriot/docker,bonczj/moby-json-file-logger,Syntaxide/docker,dsau/docker,moul/docker,afein/docker,michael-holzheu/docker,14rcole/docker,sanscontext/docker.github.io,jimjag/docker,kojiromike/docker,ibuildthecloud/docker,kolyshkin/docker,stainboy/docker,shubheksha/docker.github.io,dmcgowan/docker,vdemeester/docker,yasiramin10p/moby,diogomonica/docker,hqhq/moby,umerazad/docker,ndeloof/docker,LuisBosquez/docker.github.io,erikstmartin/docker,pramodhkp/moby,portworx/docker,kolyshkin/moby,mkumatag/docker,pradipd/moby,londoncalling/docker.github.io,mikebrow/docker,moby/moby,mahak/docker,bfirsh/docker,miminar/docker,rkazak/docker,denverdino/docker.github.io,HuKeping/docker,cloudflare/docker,icaoweiwei/docker,runcom/docker,dperny/docker,dsau/docker,laijs/moby,sanscontext/docker.github.io,erikstmartin/docker,kolyshkin/moby,Shopify/docker,thaJeztah/docker,BenHall/docker,yongtang/docker,hqhq/moby,moul/docker,yasiramin10p/moby,amatsus/docker,splunk/docker,srust/docker,dsheets/moby,charleszheng44/moby,rkazak/docker,yongtang/docker,rhatdan/docker,fcrisciani/docker,unclejack/docker,miminar/docker,xuxinkun/docker,isubuz/docker,anujbahuguna/docker,kencochrane/docker,madhanrm/docker,bluebreezecf/docker,laijs/moby,sunyuan3/docker,gdevillele/docker.github.io,anweiss/docker.github.io,nghiant2710/docker,twaugh/docker,vdemeester/docker,catinthesky/docker,willmtemple/docker,thtanaka/docker,x1022as/docker,JimGalasyn/docker.github.io,mkumatag/docker,JMesser81/docker,anujbahuguna/docker,13W/docker,thaJeztah/docker.github.io,johnstep/docker.github.io,msabansal/docker,unclejack/docker,duglin/docker,umerazad/docker,hqhq/moby,tmp6154/docker,errordeveloper/docker,konstruktoid/docker-1,LuisBosquez/docker.github.io,liaoqingwei/docker,rancher/docker,bdwill/docker.github.io,ColinHebert/docker,prertik/docker,jvanz/docker,menglingwei/denverdino.github.io,srust/docker,denverdino/docker.github.io,qudongfang/docker,yp-engineering/docker,coreos/docker,charleswhchan/docker,bdwill/docker.github.io,shhsu/docker,erikh/docker,anweiss/docker.github.io,pecameron/docker,gschaetz/moby,kunalkushwaha/docker,darrenstahlmsft/moby,mikebrow/docker,tagomoris/docker,sarnautov/moby,dccurtis/docker,pecameron/docker,TrumanLing/docker,bearstech/moby,nalind/docker,xiaods/docker,tonistiigi/docker,cr7pt0gr4ph7/docker,rillig/docker.github.io,pyotr777/docker,JimGalasyn/docker.github.io,shubheksha/docker.github.io,johnstep/moby-moby,nalind/docker,troy0820/docker.github.io,jvanz/docker,coolljt0725/docker,POLJM242/docker,brahmaroutu/docker,jwhonce/docker,YuPengZTE/docker,tagomoris/docker,KingEmet/docker,HuKeping/docker,raja-sami-10p/moby,eskaaren/docker,danix800/docker.github.io,pecameron/docker,YuPengZTE/docker,phiroict/docker,jimjag/docker,medallia/docker,noxiouz/docker,xuxinkun/docker,michelvocks/docker,cloudflare/docker,michael-holzheu/docker,mgoelzer/docker,nawawi/docker,kerneltime/docker,haveatry/docker,YujiOshima/docker,gjaskiewicz/moby,madhanrm/docker,docker/docker,xuxinkun/docker,aduermael/docker.github.io,kunalkushwaha/docker,inatatsu/docker,lixiaobing10051267/docker,isubuz/docker,dsheets/moby,konstruktoid/docker-upstream,mixja/docker,anujbahuguna/docker,erikh/docker,rhatdan/docker,dgageot/docker,Ramzec/docker,eskaaren/docker,tonistiigi/docker,mtesselH/docker,achanda/docker,achanda/docker,coreos/docker,justyntemme/docker,maxamillion/docker,johnstep/docker.github.io,Ramzec/docker,danix800/docker.github.io,jzwlqx/denverdino.github.io,tonistiigi/docker,q384566678/docker,pramodhkp/moby,noironetworks/docker,haveatry/docker,jwhonce/docker,aduermael/docker.github.io,erikh/docker,denverdino/docker.github.io,asbjornenge/docker,tophj-ibm/docker,HuKeping/docker,liaoqingwei/docker,zhuguihua/docker,POLJM242/docker,cyphar/docker,sanjeo/docker,KarthikNayak/docker,twaugh/docker,laijs/moby,xiekeyang/docker,londoncalling/docker.github.io,HideoYamauchi/docker,toli/docker,docker/docker.github.io,harche/docker,harche/docker,moul/docker,denverdino/denverdino.github.io,nghiant2710/docker,rhatdan/storage,dongjoon-hyun/docker,docker/docker,trebonian/docker,tklauser/docker,jhorwit2/docker,joeuo/docker.github.io,docker/docker,amatsus/docker,dongjoon-hyun/docker,liaoqingwei/docker,xiekeyang/docker,dccurtis/docker,mtrmac/docker,sanjeo/docker,docker/docker.github.io,sanscontext/docker.github.io,x1022as/docker,14rcole/docker,moxiegirl/docker,mahak/docker,eskaaren/docker,medallia/docker,estesp/docker,geekylucas/docker,troy0820/docker.github.io,justyntemme/docker,jongiddy/docker,trebonian/docker,kolyshkin/docker,scotttlin/docker,troy0820/docker.github.io,mixja/docker,shhsu/docker,dgageot/docker,rhatdan/storage,TrumanLing/docker,sdurrheimer/docker,sheimi/docker,hypriot/docker,DoraALin/docker,bfirsh/docker,PatrickLang/moby,lixiaobing10051267/docker,laijs/docker,cloudflare/docker,docker-zh/docker.github.io,jzwlqx/denverdino.github.io,BSWANG/denverdino.github.io,shubheksha/docker.github.io,johnstep/docker.github.io,charleswhchan/docker,resin-io/docker,HideoYamauchi/docker,yummypeng/docker,danyalKhaliq10p/moby,docker-zh/docker.github.io,denverdino/denverdino.github.io,endophage/docker,johnstep/docker.github.io,gigidwan/docker,willmtemple/docker,scotttlin/docker,shishir-a412ed/docker,nawawi/docker,sanjeo/docker,cr7pt0gr4ph7/docker,Morsicus/docker,kerneltime/docker,cpuguy83/docker,gjaskiewicz/moby,mike1729/docker,coolljt0725/docker,moby/moby,TheBigBear/docker,13W/docker,afein/docker,darrenstahlmsft/docker,sheimi/docker,denverdino/docker.github.io,gdevillele/docker.github.io,wenchma/docker,wenchma/docker,djs55/docker,mohmost12/docker,rremer/moby,denverdino/docker.github.io,joeuo/docker.github.io,alfred-landrum/docker,JimGalasyn/docker.github.io,naveed-jamil-tenpearls/moby,LuisBosquez/docker.github.io,denverdino/denverdino.github.io,anweiss/docker.github.io,ripcurld0/moby,tmp6154/docker,phiroict/docker,srust/docker,mixja/docker,YujiOshima/docker,moxiegirl/docker,imkin/moby,thtanaka/docker,LaynePeng/docker,alexisbellido/docker.github.io,phiroict/docker,q384566678/docker,YujiOshima/docker,dmcgowan/docker,Microsoft/docker,erikstmartin/docker,darrenstahlmsft/docker,aduermael/docker.github.io,mgoelzer/docker,OnePaaS/docker,yummypeng/docker,kencochrane/docker,stevvooe/docker,Altiscale/docker,docker/docker.github.io,mstanleyjones/docker,inatatsu/docker,gnailuy/docker,abhinavdahiya/docker,gdevillele/docker.github.io,darrenstahlmsft/moby,DoraALin/docker,catinthesky/docker,zhuguihua/docker,LuisBosquez/docker.github.io,shin-/docker.github.io,sean-jc/docker,nalind/docker,troy0820/docker.github.io,naveed-jamil-tenpearls/moby,joeuo/docker.github.io,docker-zh/docker.github.io,SvenDowideit/docker,flavio/docker,alexisbellido/docker.github.io,shhsu/docker,tophj-ibm/docker,thaJeztah/docker,Microsoft/docker,lixiaobing1/docker,rhatdan/storage,noxiouz/docker,ibuildthecloud/docker,thtanaka/docker,bearstech/moby,projectatomic/docker,docker/docker.github.io,projectatomic/docker,jwhonce/docker,flavio/docker,msabansal/docker,BenHall/docker,Mashimiao/docker,jameszhan/docker,ndeloof/docker,Ramzec/docker,konstruktoid/docker-upstream,alexisbellido/docker.github.io,shishir-a412ed/docker,stevvooe/docker,JimGalasyn/docker.github.io,paralin/docker,Mashimiao/docker,lixiaobing10051267/docker,danyalKhaliq10p/moby,moypray/docker,shin-/docker.github.io,twaugh/docker,tophj-ibm/moby,bluebreezecf/docker,dsheets/moby,jlebon/docker,Altiscale/docker,jlebon/docker,mikebrow/docker,dperny/docker