1 SVG 1.1 dynamic update tests
3 Tests dynamic updates of the 'x' attribute of the SVGMaskElement object
5 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
8 PASS maskElement.getAttribute('x') is "-100%"
9 PASS maskElement.getAttribute('x') is "-10%"
10 PASS successfullyParsed is true