1. Test that no usable <source> element leaves the media element with networkState == NETWORK_NO_SOURCE

++ ERROR, src = test.mp4, type = "audio/x-chicken-face"
EXPECTED (event.target.tagName == 'SOURCE') OK
EXPECTED (event.target.parentNode.networkState > '1') OK

++ ERROR, src = test.ogv, type = "video/x-higglety-pigglety"
EXPECTED (event.target.tagName == 'SOURCE') OK
EXPECTED (event.target.parentNode.networkState > '1') OK

++ ERROR, src = doesnotexist.mp4, type = ""
EXPECTED (event.target.tagName == 'SOURCE') OK
EXPECTED (event.target.parentNode.networkState == '3') OK

END OF TEST

