     
Test play() of multiple video elements when some are of a type that allows concurrent playback and others are not.

RUN(internals.setMediaSessionRestrictions('videoaudio', 'ConcurrentPlaybackNotPermitted'))
RUN(internals.setMediaSessionRestrictions('video', ''))
RUN(videos[0].src = findMediaFile("video", "content/test-video-only"))
RUN(videos[1].src = findMediaFile("video", "content/test-video-only"))
RUN(videos[2].src = findMediaFile("video", "content/test"))
RUN(videos[3].src = findMediaFile("video", "content/test"))

EVENT(canplaythrough)
EVENT(canplaythrough)
EVENT(canplaythrough)
EVENT(canplaythrough)

EXPECTED (videos[0].audioTracks.length == '0') OK
EXPECTED (videos[1].audioTracks.length == '0') OK
EXPECTED (videos[2].audioTracks.length == '1') OK
EXPECTED (videos[3].audioTracks.length == '1') OK

*** Play the first video ***
RUN(videos[0].play())
EVENT(playing)

*** Play the second video ***
RUN(videos[1].play())
EVENT(playing)

*** Play the third video ***
RUN(videos[2].play())
EVENT(playing)

*** Play the fourth video, the third should pause ***
RUN(videos[3].play())
EVENT(pause)

EXPECTED (videos[0].paused == 'false') OK
EXPECTED (videos[1].paused == 'false') OK
EXPECTED (videos[2].paused == 'true') OK
EXPECTED (videos[3].paused == 'false') OK
END OF TEST