PASS video-only
FAIL capture video.captureStream is not a function. (In 'video.captureStream()', 'video.captureStream' is undefined)
PASS audio-only
FAIL capture 1 video.captureStream is not a function. (In 'video.captureStream()', 'video.captureStream' is undefined)
PASS video+audio
FAIL capture 2 video.captureStream is not a function. (In 'video.captureStream()', 'video.captureStream' is undefined)