SVG 1.1 dynamic update tests
Tests dynamic updates of the 'order' attribute of the SVGFEConvolveMatrixElement object
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS convolveMatrixElement.getAttribute('order') is "2 2"
PASS convolveMatrixElement.getAttribute('order') is "3 3"
PASS successfullyParsed is true
TEST COMPLETE