1 Tests that modifying the class attribute updates the classList on non HTMLElements
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS htmlElement.classList.length is 1
7 PASS htmlElement.classList.length is 0
8 PASS svgElement.classList.length is 1
9 PASS svgElement.classList.length is 0
10 PASS xmlElement.classList.length is 1
11 PASS xmlElement.classList.length is 0
12 PASS successfullyParsed is true