2 RUN(video.src = URL.createObjectURL(source))
3 EVENT(sourceopen)
4 RUN(sourceBuffer1 = source.addSourceBuffer("audio/mock; codecs=mock"))
5 RUN(sourceBuffer2 = source.addSourceBuffer("video/mock; codecs=mock"))
6 RUN(sourceBuffer1.appendBuffer(initSegment))
7 EVENT(updateend)
8 RUN(sourceBuffer2.appendBuffer(initSegment))
9 EVENT(loadedmetadata)
10 EVENT(updateend)
11 EXPECTED (source.activeSourceBuffers.length == '2') OK
12 END OF TEST
13