SVG 1.1 dynamic update tests
Tests dynamic updates of the 'width' attribute of the SVGFilterPrimitiveStandardAttributes object
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS gradientElement.getAttribute('width') is "100"
PASS gradientElement.getAttribute('width') is "200"
PASS successfullyParsed is true
TEST COMPLETE