[build-presets] Add preset for XCTest contributors
[build-presets] Add preset for XCTest contributors

The swift-corelibs-xctest README will encourage contributors to use
this lightweight preset when developing locally. The CI preset is more
comprehensive, but takes longer to run.

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