test: unixise path for Parse.source_locs (NFCI)
test: unixise path for Parse.source_locs (NFCI)

Use the Unix style path for the test.

CodaFi/swift,apple/swift,tkremenek/swift,glessard/swift,tkremenek/swift,airspeedswift/swift,benlangmuir/swift,nathawes/swift,ahoppen/swift,glessard/swift,jckarter/swift,JGiola/swift,JGiola/swift,roambotics/swift,stephentyrone/swift,parkera/swift,benlangmuir/swift,CodaFi/swift,allevato/swift,allevato/swift,roambotics/swift,jckarter/swift,atrick/swift,CodaFi/swift,jckarter/swift,parkera/swift,gregomni/swift,gregomni/swift,stephentyrone/swift,atrick/swift,xwu/swift,CodaFi/swift,benlangmuir/swift,apple/swift,nathawes/swift,xwu/swift,allevato/swift,glessard/swift,glessard/swift,tkremenek/swift,jmgc/swift,jmgc/swift,glessard/swift,hooman/swift,stephentyrone/swift,nathawes/swift,apple/swift,benlangmuir/swift,parkera/swift,hooman/swift,roambotics/swift,jckarter/swift,jmgc/swift,jckarter/swift,apple/swift,roambotics/swift,allevato/swift,JGiola/swift,nathawes/swift,allevato/swift,hooman/swift,benlangmuir/swift,stephentyrone/swift,xwu/swift,glessard/swift,JGiola/swift,tkremenek/swift,airspeedswift/swift,ahoppen/swift,stephentyrone/swift,parkera/swift,CodaFi/swift,hooman/swift,xwu/swift,rudkx/swift,rudkx/swift,roambotics/swift,airspeedswift/swift,CodaFi/swift,JGiola/swift,apple/swift,atrick/swift,tkremenek/swift,airspeedswift/swift,hooman/swift,hooman/swift,allevato/swift,ahoppen/swift,airspeedswift/swift,rudkx/swift,stephentyrone/swift,tkremenek/swift,nathawes/swift,nathawes/swift,parkera/swift,airspeedswift/swift,benlangmuir/swift,xwu/swift,jckarter/swift,jmgc/swift,tkremenek/swift,parkera/swift,ahoppen/swift,ahoppen/swift,jmgc/swift,gregomni/swift,gregomni/swift,xwu/swift,JGiola/swift,stephentyrone/swift,rudkx/swift,gregomni/swift,roambotics/swift,atrick/swift,rudkx/swift,parkera/swift,CodaFi/swift,jmgc/swift,airspeedswift/swift,nathawes/swift,hooman/swift,atrick/swift,apple/swift,rudkx/swift,ahoppen/swift,xwu/swift,jmgc/swift,atrick/swift,jckarter/swift,allevato/swift,parkera/swift,gregomni/swift