Added unit tests for scene picker cpp APIS. https://tracker.physiomeproject.org/show_bug.cgi?id=3550
Added unit tests for scene picker cpp APIS. https://tracker.physiomeproject.org/show_bug.cgi?id=3550

hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc