Tests that querying offsetWidth twice leads to the same result - no red background should be visible.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS newObject.offsetWidth is 0
PASS newObject.offsetWidth is 0
PASS newObject.offsetWidth is 302
PASS newObject.offsetWidth is 302
PASS newObject.offsetWidth is 402
PASS newObject.offsetWidth is 402
PASS successfullyParsed is true
TEST COMPLETE