1 <video> element with src="" should invoke media element's load algorithm and should fire 'error' event. Network state should be NETWORK_NO_SOURCE and set error to MEDIA_ERR_SRC_NOT_SUPPORTED.
3 ** <video> with valid non-empty 'src' attribute**
9 ** <video> with empty src attribute**
17 EXPECTED (event.target == '[object HTMLVideoElement]') OK
18 EXPECTED (video.error.code == '4') OK
19 EXPECTED (video.networkState == '3') OK