tests: port IntervalTraps to StdlibUnittest
tests: port IntervalTraps to StdlibUnittest

Swift SVN r25023

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