Allow OS-specific test outputs in the driver
Allow OS-specific test outputs in the driver

sdiehl/ghc,nkaretnikov/ghc,sgillespie/ghc,vTurbine/ghc,sdiehl/ghc,bitemyapp/ghc,tjakway/ghcjvm,nathyong/microghc-ghc,ml9951/ghc,mcschroeder/ghc,sdiehl/ghc,gridaphobe/ghc,sgillespie/ghc,forked-upstream-packages-for-ghcjs/ghc,mfine/ghc,olsner/ghc,vikraman/ghc,vikraman/ghc,ml9951/ghc,AlexanderPankiv/ghc,olsner/ghc,vikraman/ghc,urbanslug/ghc,nkaretnikov/ghc,mettekou/ghc,gridaphobe/ghc,sgillespie/ghc,snoyberg/ghc,elieux/ghc,anton-dessiatov/ghc,TomMD/ghc,GaloisInc/halvm-ghc,forked-upstream-packages-for-ghcjs/ghc,bitemyapp/ghc,frantisekfarka/ghc-dsi,nushio3/ghc,ezyang/ghc,ghc-android/ghc,TomMD/ghc,nushio3/ghc,green-haskell/ghc,shlevy/ghc,tibbe/ghc,frantisekfarka/ghc-dsi,ghc-android/ghc,ryantm/ghc,da-x/ghc,gridaphobe/ghc,forked-upstream-packages-for-ghcjs/ghc,anton-dessiatov/ghc,holzensp/ghc,siddhanathan/ghc,ezyang/ghc,mfine/ghc,snoyberg/ghc,fmthoma/ghc,oldmanmike/ghc,gcampax/ghc,holzensp/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,fmthoma/ghc,gcampax/ghc,acowley/ghc,spacekitteh/smcghc,ml9951/ghc,vikraman/ghc,vTurbine/ghc,mettekou/ghc,AlexanderPankiv/ghc,jstolarek/ghc,ryantm/ghc,forked-upstream-packages-for-ghcjs/ghc,nathyong/microghc-ghc,acowley/ghc,christiaanb/ghc,GaloisInc/halvm-ghc,jstolarek/ghc,holzensp/ghc,siddhanathan/ghc,acowley/ghc,snoyberg/ghc,wxwxwwxxx/ghc,wxwxwwxxx/ghc,nushio3/ghc,mcschroeder/ghc,tibbe/ghc,christiaanb/ghc,forked-upstream-packages-for-ghcjs/ghc,christiaanb/ghc,sgillespie/ghc,AlexanderPankiv/ghc,christiaanb/ghc,oldmanmike/ghc,urbanslug/ghc,oldmanmike/ghc,hferreiro/replay,frantisekfarka/ghc-dsi,mettekou/ghc,shlevy/ghc,gcampax/ghc,snoyberg/ghc,da-x/ghc,jstolarek/ghc,siddhanathan/ghc,nathyong/microghc-ghc,gridaphobe/ghc,ghc-android/ghc,GaloisInc/halvm-ghc,mcschroeder/ghc,AlexanderPankiv/ghc,urbanslug/ghc,ml9951/ghc,ezyang/ghc,anton-dessiatov/ghc,lukexi/ghc-7.8-arm64,gridaphobe/ghc,elieux/ghc,snoyberg/ghc,sdiehl/ghc,lukexi/ghc,nushio3/ghc,GaloisInc/halvm-ghc,vikraman/ghc,acowley/ghc,fmthoma/ghc,ezyang/ghc,sdiehl/ghc,nushio3/ghc,hferreiro/replay,green-haskell/ghc,wxwxwwxxx/ghc,christiaanb/ghc,mfine/ghc,spacekitteh/smcghc,da-x/ghc,oldmanmike/ghc,da-x/ghc,ghc-android/ghc,snoyberg/ghc,lukexi/ghc-7.8-arm64,urbanslug/ghc,mfine/ghc,tibbe/ghc,holzensp/ghc,spacekitteh/smcghc,shlevy/ghc,da-x/ghc,hferreiro/replay,olsner/ghc,holzensp/ghc,nkaretnikov/ghc,da-x/ghc,sgillespie/ghc,mcschroeder/ghc,mfine/ghc,mfine/ghc,vTurbine/ghc,shlevy/ghc,siddhanathan/ghc,green-haskell/ghc,gridaphobe/ghc,wxwxwwxxx/ghc,olsner/ghc,siddhanathan/ghc,ml9951/ghc,nkaretnikov/ghc,bitemyapp/ghc,green-haskell/ghc,gridaphobe/ghc,oldmanmike/ghc,ghc-android/ghc,mettekou/ghc,vikraman/ghc,fmthoma/ghc,lukexi/ghc,ryantm/ghc,jstolarek/ghc,sdiehl/ghc,oldmanmike/ghc,tjakway/ghcjvm,vikraman/ghc,urbanslug/ghc,wxwxwwxxx/ghc,lukexi/ghc-7.8-arm64,acowley/ghc,ml9951/ghc,wxwxwwxxx/ghc,tibbe/ghc,tibbe/ghc,green-haskell/ghc,siddhanathan/ghc,mcschroeder/ghc,ghc-android/ghc,fmthoma/ghc,vTurbine/ghc,bitemyapp/ghc,lukexi/ghc,nkaretnikov/ghc,lukexi/ghc-7.8-arm64,AlexanderPankiv/ghc,da-x/ghc,tjakway/ghcjvm,AlexanderPankiv/ghc,vTurbine/ghc,anton-dessiatov/ghc,tjakway/ghcjvm,TomMD/ghc,mfine/ghc,tjakway/ghcjvm,GaloisInc/halvm-ghc,gcampax/ghc,nathyong/microghc-ghc,mettekou/ghc,elieux/ghc,oldmanmike/ghc,siddhanathan/ghc,snoyberg/ghc,urbanslug/ghc,hferreiro/replay,shlevy/ghc,spacekitteh/smcghc,ezyang/ghc,anton-dessiatov/ghc,christiaanb/ghc,TomMD/ghc,ezyang/ghc,lukexi/ghc,mcschroeder/ghc,nushio3/ghc,elieux/ghc,GaloisInc/halvm-ghc,sgillespie/ghc,ml9951/ghc,AlexanderPankiv/ghc,frantisekfarka/ghc-dsi,elieux/ghc,hferreiro/replay,ghc-android/ghc,hferreiro/replay,olsner/ghc,lukexi/ghc-7.8-arm64,acowley/ghc,nathyong/microghc-ghc,tjakway/ghcjvm,acowley/ghc,mcschroeder/ghc,TomMD/ghc,nushio3/ghc,jstolarek/ghc,elieux/ghc,fmthoma/ghc,tjakway/ghcjvm,nathyong/microghc-ghc,frantisekfarka/ghc-dsi,mettekou/ghc,elieux/ghc,hferreiro/replay,spacekitteh/smcghc,nkaretnikov/ghc,shlevy/ghc,anton-dessiatov/ghc,christiaanb/ghc,ml9951/ghc,vTurbine/ghc,forked-upstream-packages-for-ghcjs/ghc,bitemyapp/ghc,olsner/ghc,forked-upstream-packages-for-ghcjs/ghc,nkaretnikov/ghc,olsner/ghc,gcampax/ghc,ezyang/ghc,urbanslug/ghc,gcampax/ghc,sdiehl/ghc,nathyong/microghc-ghc,TomMD/ghc,mettekou/ghc,ryantm/ghc,lukexi/ghc,TomMD/ghc,shlevy/ghc,sgillespie/ghc,ryantm/ghc,wxwxwwxxx/ghc,gcampax/ghc,anton-dessiatov/ghc,fmthoma/ghc