[IDE] Function builder: add syntax coloring test for custom attribute
[IDE] Function builder: add syntax coloring test for custom attribute

rdar://problem/50074156

parkera/swift,allevato/swift,JGiola/swift,shahmishal/swift,apple/swift,nathawes/swift,hooman/swift,hooman/swift,karwa/swift,nathawes/swift,roambotics/swift,atrick/swift,benlangmuir/swift,ahoppen/swift,stephentyrone/swift,xedin/swift,roambotics/swift,devincoughlin/swift,parkera/swift,nathawes/swift,gregomni/swift,allevato/swift,shahmishal/swift,harlanhaskins/swift,lorentey/swift,harlanhaskins/swift,airspeedswift/swift,xedin/swift,allevato/swift,jmgc/swift,glessard/swift,CodaFi/swift,xedin/swift,jckarter/swift,jckarter/swift,stephentyrone/swift,sschiau/swift,hooman/swift,parkera/swift,glessard/swift,harlanhaskins/swift,hooman/swift,CodaFi/swift,airspeedswift/swift,parkera/swift,CodaFi/swift,xwu/swift,karwa/swift,ahoppen/swift,gregomni/swift,parkera/swift,jckarter/swift,apple/swift,JGiola/swift,lorentey/swift,ahoppen/swift,jmgc/swift,rudkx/swift,harlanhaskins/swift,hooman/swift,gregomni/swift,atrick/swift,karwa/swift,allevato/swift,karwa/swift,tkremenek/swift,sschiau/swift,devincoughlin/swift,sschiau/swift,roambotics/swift,nathawes/swift,hooman/swift,apple/swift,gregomni/swift,lorentey/swift,karwa/swift,parkera/swift,sschiau/swift,CodaFi/swift,parkera/swift,rudkx/swift,aschwaighofer/swift,jmgc/swift,devincoughlin/swift,benlangmuir/swift,devincoughlin/swift,shahmishal/swift,harlanhaskins/swift,gribozavr/swift,tkremenek/swift,airspeedswift/swift,benlangmuir/swift,aschwaighofer/swift,rudkx/swift,gribozavr/swift,JGiola/swift,stephentyrone/swift,lorentey/swift,roambotics/swift,jckarter/swift,aschwaighofer/swift,jckarter/swift,xwu/swift,JGiola/swift,airspeedswift/swift,glessard/swift,jmgc/swift,airspeedswift/swift,tkremenek/swift,aschwaighofer/swift,karwa/swift,allevato/swift,tkremenek/swift,devincoughlin/swift,nathawes/swift,benlangmuir/swift,rudkx/swift,allevato/swift,xedin/swift,gribozavr/swift,stephentyrone/swift,devincoughlin/swift,lorentey/swift,nathawes/swift,glessard/swift,aschwaighofer/swift,CodaFi/swift,ahoppen/swift,gribozavr/swift,lorentey/swift,apple/swift,xwu/swift,xedin/swift,shahmishal/swift,karwa/swift,airspeedswift/swift,gribozavr/swift,sschiau/swift,atrick/swift,JGiola/swift,ahoppen/swift,JGiola/swift,allevato/swift,gribozavr/swift,apple/swift,jmgc/swift,gribozavr/swift,jckarter/swift,aschwaighofer/swift,sschiau/swift,tkremenek/swift,benlangmuir/swift,roambotics/swift,shahmishal/swift,airspeedswift/swift,roambotics/swift,rudkx/swift,tkremenek/swift,hooman/swift,gribozavr/swift,gregomni/swift,parkera/swift,xedin/swift,CodaFi/swift,xwu/swift,jmgc/swift,shahmishal/swift,glessard/swift,lorentey/swift,jckarter/swift,aschwaighofer/swift,xwu/swift,xwu/swift,rudkx/swift,sschiau/swift,karwa/swift,apple/swift,xwu/swift,harlanhaskins/swift,tkremenek/swift,shahmishal/swift,lorentey/swift,stephentyrone/swift,atrick/swift,atrick/swift,atrick/swift,CodaFi/swift,xedin/swift,sschiau/swift,stephentyrone/swift,gregomni/swift,glessard/swift,stephentyrone/swift,xedin/swift,ahoppen/swift,benlangmuir/swift,devincoughlin/swift,shahmishal/swift,nathawes/swift,jmgc/swift,devincoughlin/swift,harlanhaskins/swift