Make tests async.
Make tests async.

jmarolf/roslyn,xasx/roslyn,HellBrick/roslyn,agocke/roslyn,aelij/roslyn,natidea/roslyn,jamesqo/roslyn,diryboy/roslyn,jcouv/roslyn,cston/roslyn,amcasey/roslyn,MattWindsor91/roslyn,paulvanbrenk/roslyn,orthoxerox/roslyn,thomaslevesque/roslyn,KirillOsenkov/roslyn,sharadagrawal/Roslyn,AnthonyDGreen/roslyn,MattWindsor91/roslyn,xoofx/roslyn,bkoelman/roslyn,bartdesmet/roslyn,kelltrick/roslyn,CyrusNajmabadi/roslyn,lorcanmooney/roslyn,budcribar/roslyn,MichalStrehovsky/roslyn,jhendrixMSFT/roslyn,DustinCampbell/roslyn,gafter/roslyn,zooba/roslyn,MatthieuMEZIL/roslyn,ValentinRueda/roslyn,Giftednewt/roslyn,jaredpar/roslyn,Pvlerick/roslyn,vcsjones/roslyn,HellBrick/roslyn,Pvlerick/roslyn,balajikris/roslyn,jkotas/roslyn,wvdd007/roslyn,DustinCampbell/roslyn,weltkante/roslyn,heejaechang/roslyn,drognanar/roslyn,robinsedlaczek/roslyn,shyamnamboodiripad/roslyn,jamesqo/roslyn,orthoxerox/roslyn,cston/roslyn,jhendrixMSFT/roslyn,balajikris/roslyn,OmarTawfik/roslyn,OmarTawfik/roslyn,thomaslevesque/roslyn,MattWindsor91/roslyn,abock/roslyn,CyrusNajmabadi/roslyn,sharwell/roslyn,jcouv/roslyn,panopticoncentral/roslyn,Giftednewt/roslyn,aelij/roslyn,tmeschter/roslyn,drognanar/roslyn,a-ctor/roslyn,mseamari/Stuff,weltkante/roslyn,rgani/roslyn,khyperia/roslyn,lorcanmooney/roslyn,gafter/roslyn,jcouv/roslyn,akrisiun/roslyn,agocke/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,OmarTawfik/roslyn,physhi/roslyn,CaptainHayashi/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,mattwar/roslyn,jasonmalinowski/roslyn,nguerrera/roslyn,khellang/roslyn,bkoelman/roslyn,akrisiun/roslyn,tmat/roslyn,natidea/roslyn,drognanar/roslyn,khyperia/roslyn,sharadagrawal/Roslyn,balajikris/roslyn,MatthieuMEZIL/roslyn,ValentinRueda/roslyn,ericfe-ms/roslyn,leppie/roslyn,Hosch250/roslyn,TyOverby/roslyn,VSadov/roslyn,mgoertz-msft/roslyn,AnthonyDGreen/roslyn,orthoxerox/roslyn,bbarry/roslyn,stephentoub/roslyn,mattscheffer/roslyn,mavasani/roslyn,eriawan/roslyn,kelltrick/roslyn,reaction1989/roslyn,jeffanders/roslyn,TyOverby/roslyn,amcasey/roslyn,ericfe-ms/roslyn,robinsedlaczek/roslyn,physhi/roslyn,srivatsn/roslyn,eriawan/roslyn,CaptainHayashi/roslyn,managed-commons/roslyn,mavasani/roslyn,natgla/roslyn,reaction1989/roslyn,srivatsn/roslyn,budcribar/roslyn,wvdd007/roslyn,genlu/roslyn,jaredpar/roslyn,kelltrick/roslyn,KiloBravoLima/roslyn,mmitche/roslyn,jasonmalinowski/roslyn,AlekseyTs/roslyn,dotnet/roslyn,ljw1004/roslyn,KevinH-MS/roslyn,diryboy/roslyn,SeriaWei/roslyn,abock/roslyn,abock/roslyn,jmarolf/roslyn,AArnott/roslyn,mattscheffer/roslyn,xasx/roslyn,ErikSchierboom/roslyn,sharwell/roslyn,AmadeusW/roslyn,MichalStrehovsky/roslyn,a-ctor/roslyn,leppie/roslyn,xasx/roslyn,SeriaWei/roslyn,ValentinRueda/roslyn,mseamari/Stuff,nguerrera/roslyn,mseamari/Stuff,jeffanders/roslyn,ljw1004/roslyn,khyperia/roslyn,tvand7093/roslyn,SeriaWei/roslyn,pdelvo/roslyn,Shiney/roslyn,KirillOsenkov/roslyn,michalhosala/roslyn,VSadov/roslyn,yeaicc/roslyn,dpoeschl/roslyn,shyamnamboodiripad/roslyn,aelij/roslyn,srivatsn/roslyn,michalhosala/roslyn,eriawan/roslyn,basoundr/roslyn,agocke/roslyn,MatthieuMEZIL/roslyn,jeffanders/roslyn,brettfo/roslyn,brettfo/roslyn,KiloBravoLima/roslyn,Maxwe11/roslyn,bbarry/roslyn,dpoeschl/roslyn,stephentoub/roslyn,tmeschter/roslyn,vslsnap/roslyn,diryboy/roslyn,brettfo/roslyn,sharwell/roslyn,jamesqo/roslyn,mavasani/roslyn,mattwar/roslyn,dpoeschl/roslyn,antonssonj/roslyn,tvand7093/roslyn,paulvanbrenk/roslyn,stephentoub/roslyn,DustinCampbell/roslyn,bkoelman/roslyn,bartdesmet/roslyn,antonssonj/roslyn,ErikSchierboom/roslyn,TyOverby/roslyn,AnthonyDGreen/roslyn,AlekseyTs/roslyn,tvand7093/roslyn,budcribar/roslyn,tmeschter/roslyn,managed-commons/roslyn,michalhosala/roslyn,AmadeusW/roslyn,natidea/roslyn,mattwar/roslyn,gafter/roslyn,xoofx/roslyn,tannergooding/roslyn,Shiney/roslyn,pdelvo/roslyn,cston/roslyn,KevinH-MS/roslyn,mgoertz-msft/roslyn,robinsedlaczek/roslyn,yeaicc/roslyn,zooba/roslyn,jhendrixMSFT/roslyn,dotnet/roslyn,panopticoncentral/roslyn,AArnott/roslyn,vcsjones/roslyn,mgoertz-msft/roslyn,VSadov/roslyn,Maxwe11/roslyn,basoundr/roslyn,basoundr/roslyn,weltkante/roslyn,panopticoncentral/roslyn,rgani/roslyn,sharadagrawal/Roslyn,jasonmalinowski/roslyn,reaction1989/roslyn,heejaechang/roslyn,VPashkov/roslyn,swaroop-sridhar/roslyn,jmarolf/roslyn,swaroop-sridhar/roslyn,tannergooding/roslyn,KevinRansom/roslyn,CyrusNajmabadi/roslyn,mattscheffer/roslyn,managed-commons/roslyn,akrisiun/roslyn,KirillOsenkov/roslyn,nguerrera/roslyn,antonssonj/roslyn,KevinRansom/roslyn,KiloBravoLima/roslyn,genlu/roslyn,xoofx/roslyn,Maxwe11/roslyn,amcasey/roslyn,khellang/roslyn,shyamnamboodiripad/roslyn,jkotas/roslyn,KevinRansom/roslyn,tmat/roslyn,Giftednewt/roslyn,tmat/roslyn,mmitche/roslyn,jaredpar/roslyn,genlu/roslyn,Hosch250/roslyn,physhi/roslyn,zooba/roslyn,davkean/roslyn,pdelvo/roslyn,khellang/roslyn,heejaechang/roslyn,VPashkov/roslyn,natgla/roslyn,AlekseyTs/roslyn,wvdd007/roslyn,ericfe-ms/roslyn,dotnet/roslyn,davkean/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,yeaicc/roslyn,mmitche/roslyn,bartdesmet/roslyn,ErikSchierboom/roslyn,rgani/roslyn,leppie/roslyn,davkean/roslyn,a-ctor/roslyn,MattWindsor91/roslyn,vslsnap/roslyn,HellBrick/roslyn,vslsnap/roslyn,natgla/roslyn,thomaslevesque/roslyn,bbarry/roslyn,Pvlerick/roslyn,tannergooding/roslyn,VPashkov/roslyn,AmadeusW/roslyn,CaptainHayashi/roslyn,vcsjones/roslyn,Shiney/roslyn,jkotas/roslyn,ljw1004/roslyn,lorcanmooney/roslyn,Hosch250/roslyn,KevinH-MS/roslyn,swaroop-sridhar/roslyn,paulvanbrenk/roslyn,AArnott/roslyn,MichalStrehovsky/roslyn