Revert "Fix copyforward test - rename branch to xbranch"
Revert "Fix copyforward test - rename branch to xbranch"

This reverts commit 02039a1c081b361e0cc6e1688835cb73f1e24218.

With the new `%FileCheck` substitution that removess full paths to the
build directory from FileCheck inputs, this workaround is no longer
needed.

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