Tests WebVTT settings.

EXPECTED (video.textTracks[0].cues.length == '4') OK
EXPECTED (video.textTracks[0].cues[0].linePosition == '100') OK
EXPECTED (video.textTracks[0].cues[1].textPosition == '50') OK
EXPECTED (video.textTracks[0].cues[2].alignment == 'middle') OK
EXPECTED (video.textTracks[0].cues[2].textPosition == '50') OK
EXPECTED (video.textTracks[0].cues[3].direction == 'horizontal') OK
EXPECTED (video.textTracks[1].cues.length == '4') OK
EXPECTED (video.textTracks[1].cues[0].linePosition == '100') OK
EXPECTED (video.textTracks[1].cues[1].textPosition == '50') OK
EXPECTED (video.textTracks[1].cues[2].alignment == 'middle') OK
EXPECTED (video.textTracks[1].cues[2].textPosition == '50') OK
EXPECTED (video.textTracks[1].cues[3].direction == 'horizontal') OK
END OF TEST

