Exercises that at least one frame passes on captureStream(0).
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS Drawing to canvas.
PASS Got a stream from canvas.
PASS stream.getVideoTracks().length is 1
PASS track.readyState is "live"
PASS Recorder has new data available
PASS recorder.state is "recording"
PASS Recorded data size:1
PASS successfullyParsed is true
TEST COMPLETE