Add byte-backed-enum array test case
Add byte-backed-enum array test case

Doesn't use the optimized fast path, but may in future.

arfbtwn/dbus-sharp,openmedicus/dbus-sharp,mono/dbus-sharp,Tragetaschen/dbus-sharp,Tragetaschen/dbus-sharp,arfbtwn/dbus-sharp,mono/dbus-sharp,openmedicus/dbus-sharp