This test performs an animation of the left property. It should stop for 100ms at 100px and 200px We test for those values 50ms after it has stopped at each position. Keys in two of the keyframes are comma separated, so these should be correctly broken out into separate keyframes.
PASS - "left" property for "box" element at 0.3s saw something close to: 100
PASS - "left" property for "box" element at 0.7s saw something close to: 200