Test HTMLMediaElement canPlayType() method with "application/octet-stream".

These tests should always pass as no WebKit port should support "application/octet-stream".

++ Test with <video> element.
EXPECTED (mediaElement.canPlayType('APPLICATION/octet-stream') == '') OK
EXPECTED (mediaElement.canPlayType('application/octet-stream;codecs=theora') == '') OK
EXPECTED (mediaElement.canPlayType('application/octet-stream;codecs=mp4') == '') OK

++ Test with <audio> element.
EXPECTED (mediaElement.canPlayType('APPLICATION/octet-stream') == '') OK
EXPECTED (mediaElement.canPlayType('application/octet-stream;codecs=theora') == '') OK
EXPECTED (mediaElement.canPlayType('application/octet-stream;codecs=mp4') == '') OK
END OF TEST