Initiating transitions on transform properties of all boxes, starting at different times and with different durations and values.

Expected Property: -webkit-transform Target: box1 Type: webkitTransitionEnd Elapsed Time: 0.5 -- PASS
Expected Property: -webkit-transform Target: box2 Type: webkitTransitionEnd Elapsed Time: 0.55 -- PASS
Expected Property: -webkit-transform Target: box4 Type: webkitTransitionEnd Elapsed Time: 0.4 -- PASS

