1 Tests that the margin shorthand is computed properly.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS computedStyle.getPropertyValue('margin') is '10px 5px 4px 3px'
7 PASS computedStyle.getPropertyValue('margin') is '64px 80px 96px 112px'
8 PASS computedStyle.getPropertyValue('margin') is '5px 6px 7px 8px'
9 PASS successfullyParsed is true