Fix the tests

modules/UI/UI.js

 UI.messageHandler = require("./util/MessageHandler");
 var messageHandler = UI.messageHandler;
 var JitsiPopover = require("./util/JitsiPopover");
-var Feedback = require("./feedback/Feedback");
+import Feedback from "./feedback/Feedback";
 import FollowMe from "../FollowMe";
 
 var eventEmitter = new EventEmitter();

modules/UI/videolayout/SmallVideo.js

     } else {
         UIUtil.hideElement(mutedIndicator);
     }
+
+    this.isAudioMuted = isMuted;
 };
 
 /**