1 Tests that the html element excludes scrollbars when reporting clientWidth and clientHeight, and that it implements scroll() by scrolling the frame.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS htmlElement.clientWidth is innerWidth - 20
7 PASS htmlElement.clientHeight is innerHeight - 20
10 PASS successfullyParsed is true