run("t.setAttribute('style', 'background-position: right 20px bottom 10px');"); shouldBe("window.getComputedStyle(t).backgroundPositionX", "20px"); // Returns 20px but should return "right 20px" or calc or something.
*** Bug 161843 has been marked as a duplicate of this bug. ***
*** This bug has been marked as a duplicate of bug 229917 ***