1 This test checks that -internal-* properties are not exposed to JS.
4 Testing -internal-marquee-direction
5 PASS window.getComputedStyle(element).getPropertyValue(property) is ""
6 PASS element.style[property] is undefined.
7 Value after setting -internal-marquee-direction to alternate
8 PASS element.style[property] is undefined.
10 PASS successfullyParsed is true