1 original scroll y for RTL page : Success
2 vertical scroll: : Success
3 continuously call window.scrollY : Success
4 zoom in and out preserve scroll position: Success
5 resize preserves scroll position: Success
6 KeyDown HOME move y-scroll position to bottom for RTL page: -3425
7 KeyDown END move y-scroll position to bottom for RTL page: 0
8 selectAll selects all document: Success