Enabled 2nd disabled Jasmine test.

common/lib/xmodule/xmodule/js/spec/video/general_spec.js

@@ -206,20 +206,29 @@
                 state3 = new Video('#example3');
             });
 
-            xit('check for YT availability is performed only once', function () {
+            it('check for YT availability is performed only once', function () {
                 var numAjaxCalls = 0;
 
                 // Total ajax calls made.
                 numAjaxCalls = $.ajax.calls.length;
 
-                // Subtract ajax calls to get captions.
+                // Subtract ajax calls to get captions via
+                // state.videoCaption.fetchCaption() function.
                 numAjaxCalls -= $.ajaxWithPrefix.calls.length;
 
-                // Subtract ajax calls to get metadata for each video.
+                // Subtract ajax calls to get metadata for each video via
+                // state.getVideoMetadata() function.
+                numAjaxCalls -= 3;
+
+                // Subtract ajax calls to log event 'pause_video' via
+                // state.videoPlayer.log() function.
                 numAjaxCalls -= 3;
 
                 // This should leave just one call. It was made to check
-                // for YT availability.
+                // for YT availability. This is done in state.initialize()
+                // function. SPecifically, with the statement
+                //
+                //     this.youtubeXhr = this.getVideoMetadata();
                 expect(numAjaxCalls).toBe(1);
             });
         });

common/lib/xmodule/xmodule/js/src/video/03_video_player.js

@@ -420,7 +420,7 @@ function (HTML5Video) {
             this.videoPlayer.player.setPlaybackRate(this.speed);
         }
 
-        /* The following has been commented out to make sure autoplay is 
+        /* The following has been commented out to make sure autoplay is
            disabled for students.
         if (
             !onTouchBasedDevice() &&