[test] Fix error in non-Darwin builds
[test] Fix error in non-Darwin builds

apple/swift,apple/swift,JGiola/swift,apple/swift,glessard/swift,glessard/swift,benlangmuir/swift,JGiola/swift,roambotics/swift,gregomni/swift,benlangmuir/swift,gregomni/swift,roambotics/swift,ahoppen/swift,gregomni/swift,roambotics/swift,benlangmuir/swift,rudkx/swift,ahoppen/swift,benlangmuir/swift,atrick/swift,gregomni/swift,rudkx/swift,JGiola/swift,benlangmuir/swift,glessard/swift,gregomni/swift,rudkx/swift,rudkx/swift,glessard/swift,glessard/swift,JGiola/swift,apple/swift,roambotics/swift,rudkx/swift,glessard/swift,atrick/swift,atrick/swift,ahoppen/swift,atrick/swift,benlangmuir/swift,JGiola/swift,ahoppen/swift,atrick/swift,roambotics/swift,ahoppen/swift,atrick/swift,rudkx/swift,ahoppen/swift,apple/swift,apple/swift,roambotics/swift,gregomni/swift,JGiola/swift