This test verifies the position and size of the highlight rectangles overlayed on an inspected div in the scrolled view.

margin rect is 260 x 260 at (8, 8)
border rect is 250 x 250 at (13, 13)
padding rect is 230 x 230 at (23, 23)
content rect is 200 x 200 at (38, 38)
margin rect is 260 x 260 at (-52, 218)
border rect is 250 x 250 at (-47, 223)
padding rect is 230 x 230 at (-37, 233)
content rect is 200 x 200 at (-22, 248)