Test tab with <video> moving to background when playback is not allowed in background.

RUN(internals.setMediaSessionRestrictions('video', 'BackgroundTabPlaybackRestricted'))

EVENT(canplaythrough)

RUN(video.play())
EVENT(playing)

** Simulate switching the tab to background, video should pause.
RUN(testRunner.setPageVisibility('hidden'))


** 100ms timer fired...
EXPECTED (video.paused == 'true') OK

** Simulate switch back to foreground, video should remain paused.
RUN(internals.applicationDidEnterForeground())


** 100ms timer fired...
EXPECTED (video.paused == 'true') OK

END OF TEST