Apart from being wrong, it was testing the mediastream WebRTC objects constructors, which are already being tested in each particular mediastream WebRTC object LayoutTest.
Created attachment 216763 [details] Patch
Comment on attachment 216763 [details] Patch Clearing flags on attachment: 216763 Committed r159183: <http://trac.webkit.org/changeset/159183>
All reviewed patches have been landed. Closing bug.