TableView.scrollTo() always scrolls to the end of the table

The attached test case makes a call to TableView.scrollTo(0). However, this seems to scroll the table to the *bottom*, regardless of the value passed in.

This started with FX 3.0-controls-scrum #74, which contained only this fix:
 RT-20840: fx2.2-h17-b01: Adding new column to TableView results in creating new N columns instead of 1 (detail)