Enable Emit unit-tests for C# and VB compilers in CIBuild.
Enable Emit unit-tests for C# and VB compilers in CIBuild.

Related to #2375.

sharwell/roslyn,agocke/roslyn,stephentoub/roslyn,ericfe-ms/roslyn,MattWindsor91/roslyn,OmarTawfik/roslyn,chenxizhang/roslyn,balajikris/roslyn,tannergooding/roslyn,michalhosala/roslyn,poizan42/roslyn,a-ctor/roslyn,tannergooding/roslyn,srivatsn/roslyn,Pvlerick/roslyn,orthoxerox/roslyn,a-ctor/roslyn,VitalyTVA/roslyn,ahmedshuhel/roslyn,zooba/roslyn,jcouv/roslyn,natidea/roslyn,michalhosala/roslyn,paladique/roslyn,zooba/roslyn,russpowers/roslyn,RipCurrent/roslyn,CaptainHayashi/roslyn,budcribar/roslyn,mgoertz-msft/roslyn,genlu/roslyn,DanielRosenwasser/roslyn,aelij/roslyn,DustinCampbell/roslyn,v-codeel/roslyn,budcribar/roslyn,tsdl2013/roslyn,pdelvo/roslyn,3F/roslyn,weltkante/roslyn,panopticoncentral/roslyn,KamalRathnayake/roslyn,OmniSharp/roslyn,grianggrai/roslyn,jroggeman/roslyn,doconnell565/roslyn,xoofx/roslyn,rgani/roslyn,YOTOV-LIMITED/roslyn,AArnott/roslyn,VSadov/roslyn,orthoxerox/roslyn,tang7526/roslyn,davkean/roslyn,jasonmalinowski/roslyn,jaredpar/roslyn,RipCurrent/roslyn,managed-commons/roslyn,tmeschter/roslyn,Hosch250/roslyn,kelltrick/roslyn,bbarry/roslyn,huoxudong125/roslyn,jroggeman/roslyn,nguerrera/roslyn,KevinRansom/roslyn,mmitche/roslyn,FICTURE7/roslyn,SeriaWei/roslyn,moozzyk/roslyn,ahmedshuhel/roslyn,AlexisArce/roslyn,supriyantomaftuh/roslyn,danielcweber/roslyn,khyperia/roslyn,lisong521/roslyn,robinsedlaczek/roslyn,JakeGinnivan/roslyn,krishnarajbb/roslyn,akrisiun/roslyn,ahmedshuhel/roslyn,leppie/roslyn,xoofx/roslyn,kienct89/roslyn,AArnott/roslyn,lorcanmooney/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,stjeong/roslyn,jbhensley/roslyn,bartdesmet/roslyn,BugraC/roslyn,Giten2004/roslyn,mmitche/roslyn,oberxon/roslyn,managed-commons/roslyn,jmarolf/roslyn,tang7526/roslyn,genlu/roslyn,tmat/roslyn,sharadagrawal/TestProject2,aelij/roslyn,Maxwe11/roslyn,tmeschter/roslyn,mattscheffer/roslyn,jcouv/roslyn,jrharmon/roslyn,paladique/roslyn,ErikSchierboom/roslyn,sharadagrawal/TestProject2,FICTURE7/roslyn,jroggeman/roslyn,abock/roslyn,CaptainHayashi/roslyn,aanshibudhiraja/Roslyn,paulvanbrenk/roslyn,CyrusNajmabadi/roslyn,jeremymeng/roslyn,HellBrick/roslyn,xasx/roslyn,tmat/roslyn,mattwar/roslyn,DinoV/roslyn,mavasani/roslyn,enginekit/roslyn,Giftednewt/roslyn,dovzhikova/roslyn,rgani/roslyn,agocke/roslyn,thomaslevesque/roslyn,jrharmon/roslyn,MichalStrehovsky/roslyn,dovzhikova/roslyn,brettfo/roslyn,OmniSharp/roslyn,wvdd007/roslyn,oocx/roslyn,moozzyk/roslyn,AmadeusW/roslyn,KashishArora/Roslyn,mirhagk/roslyn,Giftednewt/roslyn,nguerrera/roslyn,vcsjones/roslyn,enginekit/roslyn,KevinRansom/roslyn,yjfxfjch/roslyn,jeffanders/roslyn,panopticoncentral/roslyn,oberxon/roslyn,grianggrai/roslyn,BugraC/roslyn,reaction1989/roslyn,zmaruo/roslyn,sharadagrawal/Roslyn,robinsedlaczek/roslyn,stjeong/roslyn,abock/roslyn,jeffanders/roslyn,hanu412/roslyn,stebet/roslyn,akrisiun/roslyn,jamesqo/roslyn,dotnet/roslyn,jbhensley/roslyn,oocx/roslyn,aanshibudhiraja/Roslyn,REALTOBIZ/roslyn,furesoft/roslyn,mseamari/Stuff,HellBrick/roslyn,tvand7093/roslyn,KevinH-MS/roslyn,AlekseyTs/roslyn,reaction1989/roslyn,srivatsn/roslyn,DinoV/roslyn,KamalRathnayake/roslyn,cston/roslyn,AnthonyDGreen/roslyn,leppie/roslyn,garryforreg/roslyn,antonssonj/roslyn,sharadagrawal/Roslyn,ljw1004/roslyn,basoundr/roslyn,jcouv/roslyn,KevinH-MS/roslyn,balajikris/roslyn,Pvlerick/roslyn,lorcanmooney/roslyn,jeremymeng/roslyn,kuhlenh/roslyn,managed-commons/roslyn,bbarry/roslyn,VPashkov/roslyn,shyamnamboodiripad/roslyn,kuhlenh/roslyn,rgani/roslyn,jmarolf/roslyn,drognanar/roslyn,kienct89/roslyn,mirhagk/roslyn,evilc0des/roslyn,huoxudong125/roslyn,bkoelman/roslyn,nagyistoce/roslyn,heejaechang/roslyn,evilc0des/roslyn,nemec/roslyn,ljw1004/roslyn,VShangxiao/roslyn,zmaruo/roslyn,genlu/roslyn,yeaicc/roslyn,mavasani/roslyn,supriyantomaftuh/roslyn,MatthieuMEZIL/roslyn,xasx/roslyn,MihaMarkic/roslyn-prank,cybernet14/roslyn,zmaruo/roslyn,dpoeschl/roslyn,kuhlenh/roslyn,natgla/roslyn,reaction1989/roslyn,tang7526/roslyn,weltkante/roslyn,VPashkov/roslyn,REALTOBIZ/roslyn,devharis/roslyn,Shiney/roslyn,stjeong/roslyn,srivatsn/roslyn,jeffanders/roslyn,DustinCampbell/roslyn,thomaslevesque/roslyn,danielcweber/roslyn,drognanar/roslyn,KiloBravoLima/roslyn,agocke/roslyn,poizan42/roslyn,a-ctor/roslyn,taylorjonl/roslyn,KevinH-MS/roslyn,v-codeel/roslyn,KashishArora/Roslyn,MattWindsor91/roslyn,jamesqo/roslyn,pdelvo/roslyn,Giten2004/roslyn,kienct89/roslyn,Maxwe11/roslyn,droyad/roslyn,droyad/roslyn,danielcweber/roslyn,swaroop-sridhar/roslyn,KiloBravoLima/roslyn,mattscheffer/roslyn,wvdd007/roslyn,taylorjonl/roslyn,Hosch250/roslyn,ljw1004/roslyn,swaroop-sridhar/roslyn,pjmagee/roslyn,supriyantomaftuh/roslyn,tvand7093/roslyn,russpowers/roslyn,kelltrick/roslyn,KamalRathnayake/roslyn,ValentinRueda/roslyn,REALTOBIZ/roslyn,vslsnap/roslyn,ValentinRueda/roslyn,krishnarajbb/roslyn,stebet/roslyn,paladique/roslyn,abock/roslyn,dpoeschl/roslyn,wvdd007/roslyn,amcasey/roslyn,bartdesmet/roslyn,aelij/roslyn,VitalyTVA/roslyn,basoundr/roslyn,huoxudong125/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,poizan42/roslyn,krishnarajbb/roslyn,antiufo/roslyn,rchande/roslyn,physhi/roslyn,akrisiun/roslyn,mgoertz-msft/roslyn,sharwell/roslyn,KashishArora/Roslyn,jonatassaraiva/roslyn,sharadagrawal/TestProject2,MihaMarkic/roslyn-prank,antonssonj/roslyn,garryforreg/roslyn,tvand7093/roslyn,natgla/roslyn,physhi/roslyn,khellang/roslyn,vcsjones/roslyn,JakeGinnivan/roslyn,ilyes14/roslyn,VSadov/roslyn,droyad/roslyn,aanshibudhiraja/Roslyn,tsdl2013/roslyn,khyperia/roslyn,eriawan/roslyn,MihaMarkic/roslyn-prank,natgla/roslyn,chenxizhang/roslyn,davkean/roslyn,Giftednewt/roslyn,diryboy/roslyn,VitalyTVA/roslyn,sharadagrawal/Roslyn,mgoertz-msft/roslyn,tmeschter/roslyn,TyOverby/roslyn,lorcanmooney/roslyn,pjmagee/roslyn,TyOverby/roslyn,ilyes14/roslyn,3F/roslyn,hanu412/roslyn,RipCurrent/roslyn,jkotas/roslyn,nagyistoce/roslyn,rchande/roslyn,vcsjones/roslyn,KevinRansom/roslyn,AlekseyTs/roslyn,Inverness/roslyn,balajikris/roslyn,enginekit/roslyn,kelltrick/roslyn,OmarTawfik/roslyn,robinsedlaczek/roslyn,KiloBravoLima/roslyn,eriawan/roslyn,furesoft/roslyn,heejaechang/roslyn,AArnott/roslyn,AlexisArce/roslyn,jkotas/roslyn,Giten2004/roslyn,davkean/roslyn,dpoeschl/roslyn,tmat/roslyn,DinoV/roslyn,jaredpar/roslyn,EricArndt/roslyn,ericfe-ms/roslyn,BugraC/roslyn,DanielRosenwasser/roslyn,gafter/roslyn,VShangxiao/roslyn,dotnet/roslyn,garryforreg/roslyn,xoofx/roslyn,mavasani/roslyn,tsdl2013/roslyn,bkoelman/roslyn,mseamari/Stuff,Pvlerick/roslyn,MavenRain/roslyn,pjmagee/roslyn,KirillOsenkov/roslyn,bartdesmet/roslyn,lisong521/roslyn,tannergooding/roslyn,bkoelman/roslyn,AnthonyDGreen/roslyn,GuilhermeSa/roslyn,AmadeusW/roslyn,YOTOV-LIMITED/roslyn,drognanar/roslyn,nguerrera/roslyn,cybernet14/roslyn,khellang/roslyn,khellang/roslyn,mattwar/roslyn,EricArndt/roslyn,CaptainHayashi/roslyn,antonssonj/roslyn,doconnell565/roslyn,eriawan/roslyn,gafter/roslyn,sharwell/roslyn,vslsnap/roslyn,orthoxerox/roslyn,Shiney/roslyn,cybernet14/roslyn,heejaechang/roslyn,MavenRain/roslyn,amcasey/roslyn,shyamnamboodiripad/roslyn,AlexisArce/roslyn,xasx/roslyn,diryboy/roslyn,Inverness/roslyn,lisong521/roslyn,ValentinRueda/roslyn,jhendrixMSFT/roslyn,GuilhermeSa/roslyn,jamesqo/roslyn,shyamnamboodiripad/roslyn,brettfo/roslyn,ericfe-ms/roslyn,oberxon/roslyn,AlekseyTs/roslyn,taylorjonl/roslyn,CyrusNajmabadi/roslyn,stephentoub/roslyn,furesoft/roslyn,3F/roslyn,CyrusNajmabadi/roslyn,magicbing/roslyn,Inverness/roslyn,yjfxfjch/roslyn,grianggrai/roslyn,VShangxiao/roslyn,paulvanbrenk/roslyn,mmitche/roslyn,KirillOsenkov/roslyn,VSadov/roslyn,jeremymeng/roslyn,leppie/roslyn,Maxwe11/roslyn,diryboy/roslyn,panopticoncentral/roslyn,MichalStrehovsky/roslyn,yjfxfjch/roslyn,cston/roslyn,moozzyk/roslyn,mattwar/roslyn,weltkante/roslyn,dovzhikova/roslyn,dotnet/roslyn,amcasey/roslyn,basoundr/roslyn,yeaicc/roslyn,jkotas/roslyn,magicbing/roslyn,ilyes14/roslyn,YOTOV-LIMITED/roslyn,natidea/roslyn,oocx/roslyn,KirillOsenkov/roslyn,doconnell565/roslyn,jmarolf/roslyn,HellBrick/roslyn,thomaslevesque/roslyn,antiufo/roslyn,mattscheffer/roslyn,michalhosala/roslyn,ErikSchierboom/roslyn,MatthieuMEZIL/roslyn,OmarTawfik/roslyn,JakeGinnivan/roslyn,DanielRosenwasser/roslyn,cston/roslyn,ErikSchierboom/roslyn,magicbing/roslyn,hanu412/roslyn,zooba/roslyn,v-codeel/roslyn,khyperia/roslyn,jasonmalinowski/roslyn,physhi/roslyn,jaredpar/roslyn,Hosch250/roslyn,nagyistoce/roslyn,swaroop-sridhar/roslyn,nemec/roslyn,MatthieuMEZIL/roslyn,yeaicc/roslyn,chenxizhang/roslyn,devharis/roslyn,OmniSharp/roslyn,AnthonyDGreen/roslyn,stephentoub/roslyn,paulvanbrenk/roslyn,mseamari/Stuff,TyOverby/roslyn,FICTURE7/roslyn,jasonmalinowski/roslyn,bbarry/roslyn,budcribar/roslyn,rchande/roslyn,VPashkov/roslyn,jonatassaraiva/roslyn,DustinCampbell/roslyn,jbhensley/roslyn,AmadeusW/roslyn,brettfo/roslyn,mirhagk/roslyn,jhendrixMSFT/roslyn,MichalStrehovsky/roslyn,evilc0des/roslyn,SeriaWei/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,Shiney/roslyn,antiufo/roslyn,jonatassaraiva/roslyn,gafter/roslyn,GuilhermeSa/roslyn,jrharmon/roslyn,EricArndt/roslyn,MattWindsor91/roslyn,SeriaWei/roslyn,devharis/roslyn,russpowers/roslyn,MavenRain/roslyn,natidea/roslyn,stebet/roslyn,MattWindsor91/roslyn,jhendrixMSFT/roslyn,nemec/roslyn,pdelvo/roslyn,vslsnap/roslyn