A number of drt media tests failed(timing, event issues e.t.c.)

RULE "media/track/track-long-word-container-sizing.html" any any
RULE "media/track/track-user-stylesheet.html" any any
RULE "media/video-background-tab-playback.html" any any
RULE "media/video-beforeload-remove-source.html" any any
RULE "media/video-controls-audiotracks-trackmenu.html" any any
RULE "media/video-fast-seek.html" any any
RULE "media/video-remote-control-playpause.html" any any
RULE "media/video-volume-slider-drag.html" any any