SVG 1.1 dynamic update tests
Tests dynamic updates of the 'cx' property of the SVGCircleElement object
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS circleElement.cx.baseVal.value is -50
PASS circleElement.cx.baseVal.value is 150
PASS successfullyParsed is true
TEST COMPLETE