Tests cues with <b>, <i>, <u>, <rt> and <ruby> tags.

EXPECTED (video.textTracks[0].cues.length == '4') OK
EXPECTED (true == 'true') OK
EXPECTED (true == 'true') OK
EXPECTED (true == 'true') OK
EXPECTED (true == 'true') OK
EXPECTED (video.textTracks[1].cues.length == '4') OK
EXPECTED (true == 'true') OK
EXPECTED (true == 'true') OK
EXPECTED (true == 'true') OK
EXPECTED (true == 'true') OK
END OF TEST

