[test] effectful properties + property wrappers
[test] effectful properties + property wrappers

They're currently incompatible, but it should be
possible to enable this, with some care taken to
ensure that effectful wrappers are composed
correctly.

benlangmuir/swift,atrick/swift,glessard/swift,parkera/swift,atrick/swift,glessard/swift,apple/swift,rudkx/swift,hooman/swift,benlangmuir/swift,roambotics/swift,rudkx/swift,hooman/swift,xwu/swift,ahoppen/swift,rudkx/swift,benlangmuir/swift,JGiola/swift,gregomni/swift,gregomni/swift,tkremenek/swift,parkera/swift,parkera/swift,benlangmuir/swift,ahoppen/swift,atrick/swift,ahoppen/swift,apple/swift,gregomni/swift,JGiola/swift,atrick/swift,atrick/swift,xwu/swift,tkremenek/swift,glessard/swift,glessard/swift,roambotics/swift,apple/swift,roambotics/swift,xwu/swift,parkera/swift,parkera/swift,JGiola/swift,tkremenek/swift,tkremenek/swift,roambotics/swift,xwu/swift,parkera/swift,apple/swift,ahoppen/swift,rudkx/swift,hooman/swift,JGiola/swift,ahoppen/swift,parkera/swift,roambotics/swift,gregomni/swift,apple/swift,atrick/swift,tkremenek/swift,tkremenek/swift,hooman/swift,roambotics/swift,ahoppen/swift,hooman/swift,xwu/swift,rudkx/swift,apple/swift,glessard/swift,gregomni/swift,parkera/swift,hooman/swift,benlangmuir/swift,xwu/swift,benlangmuir/swift,glessard/swift,hooman/swift,JGiola/swift,tkremenek/swift,gregomni/swift,xwu/swift,JGiola/swift,rudkx/swift