1 Tests that setting the .length on an HTMLSelectElement works in the presence of DOM mutation listeners that reorder option elements
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
8 PASS sel.options.item(0).id is "a"
9 PASS sel.options.item(1).id is "b"
10 PASS successfullyParsed is true