[src-clear-cues.html]
  [track element changing "track URL" and clearing cues, set mode, add cue, set src]
    expected: FAIL

  [track element changing "track URL" and clearing cues, set mode, set src, add cue, change src]
    expected: FAIL

  [track element changing "track URL" and clearing cues, set mode, add cue, change mode to disabled, set src]
    expected: FAIL

