Bug 825510: Mark PeerConnection mochitests as desktopsupportedonly r=ted

dom/media/tests/mochitest/test_peerConnection_basicAudio.html

@@ -93,7 +93,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=796892
         });
       }, unexpectedCallbackAndFinish);
     }, unexpectedCallbackAndFinish);
-  });
+  }, true);
 
   function disconnect() {
     pcLocal.close();

dom/media/tests/mochitest/test_peerConnection_basicAudioVideo.html

@@ -140,7 +140,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=796890
         }, unexpectedCallbackAndFinish);
       }, unexpectedCallbackAndFinish);
     }, unexpectedCallbackAndFinish);
-  });
+  }, true);
 
   function disconnect() {
     pcLocal.close();

dom/media/tests/mochitest/test_peerConnection_basicAudioVideoCombined.html

@@ -128,7 +128,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=796890
         });
       }, unexpectedCallbackAndFinish);
     }, unexpectedCallbackAndFinish);
-  });
+  }, true);
 
   function disconnect() {
     pcLocal.close();

dom/media/tests/mochitest/test_peerConnection_basicVideo.html

@@ -93,7 +93,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=796888
         });
       }, unexpectedCallbackAndFinish);
     }, unexpectedCallbackAndFinish);
-  });
+  }, true);
 
   function disconnect() {
     pcLocal.close();