Test for bug 79678 - SVG transform-origin presentation attribute. Verify that getComputedStyle() reflects an SVG element's transform-origin.

On success, you will see a series of "PASS" messages

PASS rect1 transformOrigin, expected "50px 100px" actual "50px 100px"
PASS rect2 transformOrigin, expected "0px 0px" actual "0px 0px"

