This tests that elements displayed in a region's scrollable overflow can be scrolled into view and handle mouse events.
  1. You should not see any red before or during this test.
  2. Scroll the contents of the square below so that the blue word (overflows) scrolls into view.
  3. Click on the blue word (overflows) outside the gray square.
  4. You should see "PASS" word being displayed in green, below.
This text has overflow