Tests that setting .length on an HTMLSelectElement works in the presence of mutation event listeners that reparent options

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS sel.length is 200
PASS otherSel.length is 0
PASS sel.length is 100
PASS otherSel.length is 0
PASS sel.length is 180
PASS otherSel.length is 0
PASS successfullyParsed is true

TEST COMPLETE