Override ac-fsharp-use-pos-tip nondestructively in tests
Override ac-fsharp-use-pos-tip nondestructively in tests

fsharp/fsharpbinding,fsharp/xamarin-monodevelop-fsharp-addin,Ming-Tang/fsharpbinding,nosami/xamarin-monodevelop-fsharp-addin,fsharp/xamarin-monodevelop-fsharp-addin,Ming-Tang/fsharpbinding,fsharp/fsharpbinding,Ming-Tang/fsharpbinding,nosami/xamarin-monodevelop-fsharp-addin,fsharp/fsharpbinding