The following layout test is flaky on Mac 10.6 compositing/animation/computed-style-during-delay.html Test output: Test computed style during the delay phase of an accelerated animation. FAIL - "-webkit-transform.4" property for "testbox" element at 0.1s expected: 0 but saw: matrix(1, 0, 0, 1, 102.4107666015625, 0) FAIL - "-webkit-transform.4" property for "changedbox" element at 0.1s expected: 50 but saw: matrix(1, 0, 0, 1, 102.64179992675781, 0) FAIL - "-webkit-transform.4" property for "filledbox" element at 0.1s expected: 100 but saw: matrix(1, 0, 0, 1, 102.66461181640625, 0)