SVG 1.1 dynamic update tests
Tests dynamic updates of the 'rx' attribute of the SVGEllipseElement object
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS ellipseElement.getAttribute('rx') is "10"
PASS ellipseElement.getAttribute('rx') is "150"
PASS successfullyParsed is true
TEST COMPLETE