Added tests to ensure that coding key path are set correctly on encoding and decoding error contexts.
Added tests to ensure that coding key path are set correctly on encoding and decoding error contexts.

danielmartin/swift,practicalswift/swift,JGiola/swift,devincoughlin/swift,practicalswift/swift,apple/swift,atrick/swift,brentdax/swift,hooman/swift,gribozavr/swift,gribozavr/swift,CodaFi/swift,danielmartin/swift,nathawes/swift,CodaFi/swift,tkremenek/swift,aschwaighofer/swift,benlangmuir/swift,atrick/swift,allevato/swift,parkera/swift,xwu/swift,CodaFi/swift,jckarter/swift,aschwaighofer/swift,aschwaighofer/swift,shahmishal/swift,hooman/swift,stephentyrone/swift,allevato/swift,austinzheng/swift,natecook1000/swift,atrick/swift,xedin/swift,apple/swift,roambotics/swift,brentdax/swift,shahmishal/swift,parkera/swift,hooman/swift,gribozavr/swift,amraboelela/swift,tkremenek/swift,tkremenek/swift,shajrawi/swift,JGiola/swift,shahmishal/swift,harlanhaskins/swift,apple/swift,nathawes/swift,xwu/swift,allevato/swift,alblue/swift,JGiola/swift,gregomni/swift,devincoughlin/swift,benlangmuir/swift,lorentey/swift,devincoughlin/swift,hooman/swift,karwa/swift,nathawes/swift,xwu/swift,airspeedswift/swift,jckarter/swift,CodaFi/swift,natecook1000/swift,lorentey/swift,jmgc/swift,xedin/swift,harlanhaskins/swift,glessard/swift,tkremenek/swift,harlanhaskins/swift,gribozavr/swift,airspeedswift/swift,shajrawi/swift,nathawes/swift,austinzheng/swift,austinzheng/swift,nathawes/swift,amraboelela/swift,danielmartin/swift,stephentyrone/swift,austinzheng/swift,gregomni/swift,stephentyrone/swift,rudkx/swift,apple/swift,lorentey/swift,gregomni/swift,sschiau/swift,atrick/swift,parkera/swift,jckarter/swift,airspeedswift/swift,xedin/swift,roambotics/swift,aschwaighofer/swift,benlangmuir/swift,danielmartin/swift,hooman/swift,sschiau/swift,allevato/swift,shahmishal/swift,alblue/swift,jmgc/swift,brentdax/swift,shahmishal/swift,shahmishal/swift,harlanhaskins/swift,amraboelela/swift,xwu/swift,natecook1000/swift,practicalswift/swift,roambotics/swift,rudkx/swift,jmgc/swift,amraboelela/swift,CodaFi/swift,ahoppen/swift,shahmishal/swift,shajrawi/swift,amraboelela/swift,sschiau/swift,brentdax/swift,practicalswift/swift,hooman/swift,benlangmuir/swift,airspeedswift/swift,rudkx/swift,amraboelela/swift,harlanhaskins/swift,benlangmuir/swift,tkremenek/swift,allevato/swift,jmgc/swift,xedin/swift,xwu/swift,atrick/swift,CodaFi/swift,parkera/swift,lorentey/swift,karwa/swift,ahoppen/swift,jckarter/swift,xedin/swift,danielmartin/swift,CodaFi/swift,aschwaighofer/swift,glessard/swift,natecook1000/swift,devincoughlin/swift,rudkx/swift,karwa/swift,practicalswift/swift,rudkx/swift,ahoppen/swift,shahmishal/swift,alblue/swift,jckarter/swift,aschwaighofer/swift,JGiola/swift,austinzheng/swift,parkera/swift,xwu/swift,alblue/swift,devincoughlin/swift,practicalswift/swift,xedin/swift,shajrawi/swift,devincoughlin/swift,sschiau/swift,jmgc/swift,devincoughlin/swift,harlanhaskins/swift,gregomni/swift,hooman/swift,tkremenek/swift,allevato/swift,atrick/swift,practicalswift/swift,parkera/swift,airspeedswift/swift,apple/swift,sschiau/swift,roambotics/swift,brentdax/swift,natecook1000/swift,karwa/swift,nathawes/swift,gribozavr/swift,karwa/swift,gregomni/swift,parkera/swift,stephentyrone/swift,sschiau/swift,karwa/swift,glessard/swift,karwa/swift,nathawes/swift,JGiola/swift,alblue/swift,xedin/swift,amraboelela/swift,stephentyrone/swift,natecook1000/swift,brentdax/swift,lorentey/swift,glessard/swift,rudkx/swift,ahoppen/swift,apple/swift,gregomni/swift,shajrawi/swift,natecook1000/swift,danielmartin/swift,austinzheng/swift,gribozavr/swift,airspeedswift/swift,brentdax/swift,shajrawi/swift,tkremenek/swift,stephentyrone/swift,karwa/swift,gribozavr/swift,lorentey/swift,jckarter/swift,benlangmuir/swift,shajrawi/swift,xedin/swift,lorentey/swift,stephentyrone/swift,xwu/swift,roambotics/swift,jckarter/swift,alblue/swift,shajrawi/swift,parkera/swift,glessard/swift,harlanhaskins/swift,ahoppen/swift,sschiau/swift,aschwaighofer/swift,allevato/swift,ahoppen/swift,jmgc/swift,JGiola/swift,danielmartin/swift,devincoughlin/swift,practicalswift/swift,austinzheng/swift,airspeedswift/swift,gribozavr/swift,lorentey/swift,alblue/swift,glessard/swift,roambotics/swift,jmgc/swift,sschiau/swift