Tests that duration is not set to zero when playing in reverse to the origin. EVENT(canplaythrough) EXPECTED (video.duration > '0') OK EXPECTED (video.currentTime == '0') OK RUN(video.currentTime = 0.3) EVENT(seeked) EXPECTED (video.currentTime.toFixed(1) == '0.3') OK RUN(video.play()) RUN(video.playbackRate = -1) EXPECTED (video.duration > '0') OK END OF TEST