Bug 1096270 - Skip test_streams_gc.html on B2G Desktop.

dom/media/test/mochitest.ini

@@ -518,6 +518,7 @@ skip-if = (toolkit == 'android' && processor == 'x86') #x86 only bug 914439
 [test_streams_element_capture_playback.html]
 [test_streams_element_capture_reset.html]
 [test_streams_gc.html]
+skip-if = buildapp == 'b2g' && toolkit != 'gonk' # bug 1096270
 [test_streams_individual_pause.html]
 [test_streams_srcObject.html]
 [test_streams_tracks.html]