Update unit tests for pyZinc as some APIs have been updated and renamed. https://tracker.physiomeproject.org/show_bug.cgi?id=3839
Update unit tests for pyZinc as some APIs have been updated and renamed. https://tracker.physiomeproject.org/show_bug.cgi?id=3839

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