stdlib tests: use more specialized expect*() functions
stdlib tests: use more specialized expect*() functions

Swift SVN r20331

slavapestov/swift,jtbandes/swift,amraboelela/swift,arvedviehweger/swift,arvedviehweger/swift,LeoShimonaka/swift,sdulal/swift,huonw/swift,natecook1000/swift,gmilos/swift,deyton/swift,Ivacker/swift,devincoughlin/swift,kusl/swift,jmgc/swift,amraboelela/swift,kperryua/swift,slavapestov/swift,devincoughlin/swift,deyton/swift,natecook1000/swift,sschiau/swift,airspeedswift/swift,shajrawi/swift,johnno1962d/swift,glessard/swift,devincoughlin/swift,adrfer/swift,hughbe/swift,parkera/swift,frootloops/swift,felix91gr/swift,devincoughlin/swift,felix91gr/swift,cbrentharris/swift,kstaring/swift,harlanhaskins/swift,emilstahl/swift,atrick/swift,OscarSwanros/swift,ken0nek/swift,calebd/swift,kentya6/swift,jopamer/swift,alblue/swift,shajrawi/swift,tinysun212/swift-windows,benlangmuir/swift,tjw/swift,dduan/swift,tkremenek/swift,djwbrown/swift,lorentey/swift,CodaFi/swift,xwu/swift,bitjammer/swift,tkremenek/swift,IngmarStein/swift,apple/swift,JaSpa/swift,airspeedswift/swift,emilstahl/swift,cbrentharris/swift,austinzheng/swift,Jnosh/swift,tjw/swift,ken0nek/swift,ahoppen/swift,Ivacker/swift,tinysun212/swift-windows,jmgc/swift,tjw/swift,djwbrown/swift,harlanhaskins/swift,jckarter/swift,swiftix/swift.old,kusl/swift,dduan/swift,amraboelela/swift,jckarter/swift,ben-ng/swift,xwu/swift,practicalswift/swift,benlangmuir/swift,SwiftAndroid/swift,cbrentharris/swift,gottesmm/swift,gottesmm/swift,lorentey/swift,ken0nek/swift,nathawes/swift,xedin/swift,adrfer/swift,MukeshKumarS/Swift,KrishMunot/swift,LeoShimonaka/swift,manavgabhawala/swift,parkera/swift,MukeshKumarS/Swift,stephentyrone/swift,amraboelela/swift,xedin/swift,gmilos/swift,ben-ng/swift,huonw/swift,airspeedswift/swift,rudkx/swift,kstaring/swift,milseman/swift,rudkx/swift,jtbandes/swift,shajrawi/swift,alblue/swift,manavgabhawala/swift,sdulal/swift,shahmishal/swift,adrfer/swift,shahmishal/swift,mightydeveloper/swift,cbrentharris/swift,apple/swift,harlanhaskins/swift,hughbe/swift,JGiola/swift,felix91gr/swift,khizkhiz/swift,mightydeveloper/swift,roambotics/swift,gregomni/swift,karwa/swift,karwa/swift,therealbnut/swift,sschiau/swift,stephentyrone/swift,OscarSwanros/swift,xwu/swift,deyton/swift,LeoShimonaka/swift,modocache/swift,jckarter/swift,LeoShimonaka/swift,gmilos/swift,calebd/swift,CodaFi/swift,lorentey/swift,benlangmuir/swift,gregomni/swift,OscarSwanros/swift,tjw/swift,allevato/swift,airspeedswift/swift,russbishop/swift,MukeshKumarS/Swift,russbishop/swift,arvedviehweger/swift,apple/swift,MukeshKumarS/Swift,deyton/swift,alblue/swift,therealbnut/swift,shajrawi/swift,manavgabhawala/swift,hooman/swift,huonw/swift,tjw/swift,codestergit/swift,dduan/swift,alblue/swift,kperryua/swift,karwa/swift,brentdax/swift,karwa/swift,slavapestov/swift,Jnosh/swift,tardieu/swift,alblue/swift,return/swift,tinysun212/swift-windows,brentdax/swift,emilstahl/swift,djwbrown/swift,parkera/swift,shahmishal/swift,sdulal/swift,bitjammer/swift,ben-ng/swift,JGiola/swift,swiftix/swift,zisko/swift,jtbandes/swift,CodaFi/swift,djwbrown/swift,calebd/swift,russbishop/swift,russbishop/swift,SwiftAndroid/swift,Ivacker/swift,glessard/swift,jopamer/swift,allevato/swift,return/swift,kusl/swift,johnno1962d/swift,austinzheng/swift,brentdax/swift,dduan/swift,danielmartin/swift,arvedviehweger/swift,dreamsxin/swift,KrishMunot/swift,natecook1000/swift,mightydeveloper/swift,sdulal/swift,codestergit/swift,hooman/swift,sdulal/swift,modocache/swift,stephentyrone/swift,amraboelela/swift,atrick/swift,zisko/swift,calebd/swift,mightydeveloper/swift,Ivacker/swift,JGiola/swift,milseman/swift,deyton/swift,sschiau/swift,rudkx/swift,arvedviehweger/swift,allevato/swift,benlangmuir/swift,tkremenek/swift,karwa/swift,kusl/swift,jtbandes/swift,IngmarStein/swift,adrfer/swift,devincoughlin/swift,practicalswift/swift,tardieu/swift,sschiau/swift,swiftix/swift,OscarSwanros/swift,benlangmuir/swift,tkremenek/swift,kstaring/swift,IngmarStein/swift,rudkx/swift,harlanhaskins/swift,return/swift,practicalswift/swift,calebd/swift,IngmarStein/swift,JGiola/swift,Ivacker/swift,practicalswift/swift,jmgc/swift,tkremenek/swift,modocache/swift,KrishMunot/swift,rudkx/swift,felix91gr/swift,xwu/swift,therealbnut/swift,xwu/swift,danielmartin/swift,lorentey/swift,atrick/swift,shahmishal/swift,Jnosh/swift,apple/swift,danielmartin/swift,tardieu/swift,kperryua/swift,allevato/swift,jmgc/swift,tardieu/swift,uasys/swift,jtbandes/swift,uasys/swift,OscarSwanros/swift,kperryua/swift,russbishop/swift,kentya6/swift,kusl/swift,shahmishal/swift,swiftix/swift.old,zisko/swift,harlanhaskins/swift,KrishMunot/swift,ben-ng/swift,modocache/swift,milseman/swift,uasys/swift,gribozavr/swift,swiftix/swift,stephentyrone/swift,karwa/swift,tjw/swift,benlangmuir/swift,tinysun212/swift-windows,danielmartin/swift,milseman/swift,Jnosh/swift,gottesmm/swift,huonw/swift,deyton/swift,parkera/swift,gottesmm/swift,khizkhiz/swift,adrfer/swift,atrick/swift,SwiftAndroid/swift,mightydeveloper/swift,jopamer/swift,zisko/swift,gribozavr/swift,huonw/swift,slavapestov/swift,frootloops/swift,nathawes/swift,sdulal/swift,kstaring/swift,ben-ng/swift,practicalswift/swift,roambotics/swift,natecook1000/swift,frootloops/swift,jtbandes/swift,therealbnut/swift,LeoShimonaka/swift,SwiftAndroid/swift,emilstahl/swift,kstaring/swift,danielmartin/swift,atrick/swift,hughbe/swift,ken0nek/swift,hughbe/swift,brentdax/swift,johnno1962d/swift,gmilos/swift,mightydeveloper/swift,gregomni/swift,felix91gr/swift,kperryua/swift,nathawes/swift,bitjammer/swift,devincoughlin/swift,LeoShimonaka/swift,khizkhiz/swift,hooman/swift,jckarter/swift,lorentey/swift,roambotics/swift,arvedviehweger/swift,modocache/swift,tardieu/swift,roambotics/swift,kentya6/swift,tinysun212/swift-windows,jmgc/swift,slavapestov/swift,jtbandes/swift,gribozavr/swift,swiftix/swift.old,kentya6/swift,uasys/swift,glessard/swift,swiftix/swift.old,sdulal/swift,stephentyrone/swift,tardieu/swift,karwa/swift,IngmarStein/swift,atrick/swift,mightydeveloper/swift,natecook1000/swift,harlanhaskins/swift,frootloops/swift,airspeedswift/swift,djwbrown/swift,sschiau/swift,emilstahl/swift,KrishMunot/swift,aschwaighofer/swift,frootloops/swift,JaSpa/swift,kperryua/swift,Jnosh/swift,jopamer/swift,IngmarStein/swift,calebd/swift,codestergit/swift,gribozavr/swift,brentdax/swift,hughbe/swift,hooman/swift,cbrentharris/swift,dreamsxin/swift,apple/swift,khizkhiz/swift,Jnosh/swift,uasys/swift,stephentyrone/swift,sschiau/swift,gmilos/swift,djwbrown/swift,cbrentharris/swift,sdulal/swift,aschwaighofer/swift,swiftix/swift.old,bitjammer/swift,natecook1000/swift,gribozavr/swift,mightydeveloper/swift,stephentyrone/swift,jopamer/swift,sschiau/swift,roambotics/swift,parkera/swift,kperryua/swift,IngmarStein/swift,Jnosh/swift,modocache/swift,felix91gr/swift,kentya6/swift,gottesmm/swift,frootloops/swift,shahmishal/swift,JaSpa/swift,hooman/swift,xedin/swift,SwiftAndroid/swift,ahoppen/swift,glessard/swift,modocache/swift,gribozavr/swift,aschwaighofer/swift,JGiola/swift,brentdax/swift,uasys/swift,khizkhiz/swift,return/swift,codestergit/swift,milseman/swift,nathawes/swift,emilstahl/swift,manavgabhawala/swift,austinzheng/swift,therealbnut/swift,swiftix/swift.old,return/swift,airspeedswift/swift,manavgabhawala/swift,alblue/swift,shajrawi/swift,xedin/swift,CodaFi/swift,kstaring/swift,adrfer/swift,manavgabhawala/swift,shajrawi/swift,jckarter/swift,emilstahl/swift,gregomni/swift,dduan/swift,jckarter/swift,JaSpa/swift,rudkx/swift,arvedviehweger/swift,bitjammer/swift,gottesmm/swift,swiftix/swift,johnno1962d/swift,codestergit/swift,slavapestov/swift,gribozavr/swift,amraboelela/swift,ken0nek/swift,parkera/swift,aschwaighofer/swift,ahoppen/swift,cbrentharris/swift,ben-ng/swift,dduan/swift,JaSpa/swift,codestergit/swift,emilstahl/swift,natecook1000/swift,manavgabhawala/swift,bitjammer/swift,therealbnut/swift,ben-ng/swift,dduan/swift,jmgc/swift,ahoppen/swift,LeoShimonaka/swift,kusl/swift,devincoughlin/swift,kentya6/swift,karwa/swift,tkremenek/swift,OscarSwanros/swift,huonw/swift,Ivacker/swift,xedin/swift,johnno1962d/swift,zisko/swift,KrishMunot/swift,tardieu/swift,shahmishal/swift,russbishop/swift,apple/swift,kentya6/swift,zisko/swift,gregomni/swift,Ivacker/swift,airspeedswift/swift,tkremenek/swift,xwu/swift,swiftix/swift,frootloops/swift,johnno1962d/swift,LeoShimonaka/swift,gottesmm/swift,KrishMunot/swift,tinysun212/swift-windows,milseman/swift,gmilos/swift,aschwaighofer/swift,deyton/swift,CodaFi/swift,nathawes/swift,OscarSwanros/swift,aschwaighofer/swift,brentdax/swift,khizkhiz/swift,MukeshKumarS/Swift,therealbnut/swift,uasys/swift,JGiola/swift,adrfer/swift,gregomni/swift,practicalswift/swift,CodaFi/swift,hughbe/swift,russbishop/swift,aschwaighofer/swift,khizkhiz/swift,SwiftAndroid/swift,tjw/swift,shajrawi/swift,parkera/swift,xwu/swift,swiftix/swift,hooman/swift,roambotics/swift,xedin/swift,felix91gr/swift,ken0nek/swift,jmgc/swift,austinzheng/swift,shahmishal/swift,ken0nek/swift,lorentey/swift,devincoughlin/swift,bitjammer/swift,jopamer/swift,parkera/swift,johnno1962d/swift,jopamer/swift,glessard/swift,gribozavr/swift,jckarter/swift,allevato/swift,huonw/swift,danielmartin/swift,danielmartin/swift,MukeshKumarS/Swift,MukeshKumarS/Swift,lorentey/swift,austinzheng/swift,kstaring/swift,allevato/swift,kusl/swift,practicalswift/swift,CodaFi/swift,shajrawi/swift,codestergit/swift,kusl/swift,slavapestov/swift,milseman/swift,zisko/swift,return/swift,practicalswift/swift,austinzheng/swift,Ivacker/swift,amraboelela/swift,ahoppen/swift,hughbe/swift,sschiau/swift,ahoppen/swift,gmilos/swift,calebd/swift,djwbrown/swift,nathawes/swift,cbrentharris/swift,xedin/swift,return/swift,kentya6/swift,alblue/swift,lorentey/swift,allevato/swift,swiftix/swift.old,swiftix/swift.old,JaSpa/swift,harlanhaskins/swift,tinysun212/swift-windows,hooman/swift,glessard/swift,JaSpa/swift,nathawes/swift,austinzheng/swift,SwiftAndroid/swift,xedin/swift,swiftix/swift