SVG 1.1 dynamic update tests

Tests dynamic updates of the 'intercept' attribute of the SVGFEComponentTransferElement object

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

PASS feRFunc.getAttribute('intercept') is "0.2"
PASS feGFunc.getAttribute('intercept') is "0.2"
PASS feBFunc.getAttribute('intercept') is "0.2"
PASS feAFunc.getAttribute('intercept') is "0.2"
PASS feRFunc.getAttribute('intercept') is "0.1"
PASS feGFunc.getAttribute('intercept') is "0.1"
PASS feBFunc.getAttribute('intercept') is "0.1"
PASS feAFunc.getAttribute('intercept') is "0.1"
PASS successfullyParsed is true

TEST COMPLETE