Fixed duration not display on youtube player.

TNL-3056

common/lib/xmodule/xmodule/js/js_test.yml

@@ -60,6 +60,7 @@ lib_paths:
     - public/js/split_test_staff.js
     - common_static/js/src/accessibility_tools.js
     - common_static/js/vendor/moment.min.js
+    - spec/main_requirejs.js
 
 # Paths to spec (test) JavaScript files
 spec_paths:

common/lib/xmodule/xmodule/js/spec/main_requirejs.js

@@ -0,0 +1,11 @@
+(function(requirejs) {
+    requirejs.config({
+        paths: {
+            "moment": "xmodule/include/common_static/js/vendor/moment.min"
+        },
+        "moment": {
+            exports: "moment"
+        }
+    });
+
+}).call(this, RequireJS.requirejs);

common/lib/xmodule/xmodule/js/src/video/01_initialize.js

@@ -14,10 +14,9 @@
 
 define(
 'video/01_initialize.js',
-['video/03_video_player.js', 'video/00_i18n.js'],
-function (VideoPlayer, i18n) {
-    var moment = window.moment;
-
+['video/03_video_player.js', 'video/00_i18n.js', 'moment'],
+function (VideoPlayer, i18n, moment) {
+    var moment = moment || window.moment;
     /**
      * @function
      *