Fix tests

// FREEBIE

js/chromium.js

@@ -170,7 +170,7 @@
         }
     };
 
-    if (chrome) {
+    if (chrome.notifications) {
         chrome.notifications.onClicked.addListener(function() {
             chrome.notifications.clear('signal');
             Whisper.Notifications.onclick();

test/index.html

@@ -110,6 +110,7 @@
   <script type="text/javascript" src="../js/libphonenumber-util.js"></script>
   <script type="text/javascript" src="../js/models/messages.js" data-cover></script>
   <script type="text/javascript" src="../js/models/conversations.js" data-cover></script>
+  <script type="text/javascript" src="../js/conversation_controller.js" data-cover></script>
 
   <script type="text/javascript" src="../js/chromium.js"></script>
 

test/views/message_view_test.js

@@ -9,6 +9,7 @@ describe('MessageView', function() {
     conversationId: convo.id,
     body: 'hello world',
     type: 'outgoing',
+    source: '+14158675309',
     received_at: new Date().getTime()
   });