Reduces the number of calls to initialize() in video_caption_spec.

All the tests run and pass when enabled.
Only video_player has issues left
Adds error logging to console if captions not found
Fix problems with memory leaks

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

 (function () {
-    xdescribe('VideoAlpha', function () {
+    describe('VideoAlpha', function () {
         beforeEach(function () {
             jasmine.stubRequests();
             window.onTouchBasedDevice = jasmine.createSpy('onTouchBasedDevice').andReturn(false);
@@ -12,6 +12,7 @@
             window.OldVideoPlayerAlpha = undefined;
             window.onYouTubePlayerAPIReady = undefined;
             window.onHTML5PlayerAPIReady = undefined;
+            $('source').remove();
         });
 
         describe('constructor', function () {

common/lib/xmodule/xmodule/js/spec/videoalpha/html5_video_spec.js

 (function () {
-    xdescribe('VideoAlpha HTML5Video', function () {
+    describe('VideoAlpha HTML5Video', function () {
         var state, player, playbackRates = [0.75, 1.0, 1.25, 1.5];
 
         function initialize() {
@@ -13,6 +13,13 @@
             player.config.events.onReady = jasmine.createSpy('onReady');
         });
 
+        afterEach(function() {
+            YT.Player = void 0;
+            $.fn.scrollTo.reset();
+            $('.subtitles').remove();
+            $('source').remove();
+        });
+
         describe('events:', function () {
             beforeEach(function () {
                 spyOn(player, 'callStateChangeCallback').andCallThrough();

common/lib/xmodule/xmodule/js/spec/videoalpha/video_caption_spec.js

 (function() {
-  xdescribe('VideoCaptionAlpha', function() {
+  describe('VideoCaptionAlpha', function() {
     var state, videoPlayer, videoCaption, videoSpeedControl;
 
     function initialize() {
@@ -11,14 +11,15 @@
     }
 
     beforeEach(function() {
-      initialize();
       window.onTouchBasedDevice = jasmine.createSpy('onTouchBasedDevice').andReturn(false);
+      initialize();
     });
 
     afterEach(function() {
       YT.Player = void 0;
       $.fn.scrollTo.reset();
       $('.subtitles').remove();
+      $('source').remove();
     });
 
     describe('constructor', function() {
@@ -117,7 +118,7 @@
 
     describe('mouse movement', function() {
       beforeEach(function() {
-        initialize();
+        //initialize();
         window.setTimeout.andReturn(100);
         spyOn(window, 'clearTimeout');
       });
@@ -209,7 +210,7 @@
 
     describe('search', function() {
       beforeEach(function() {
-        initialize();
+        //initialize();
       });
 
       it('return a correct caption index', function() {
@@ -264,7 +265,7 @@
 
     describe('pause', function() {
       beforeEach(function() {
-        initialize();
+        //initialize();
         videoCaption.playing = true;
         videoCaption.pause();
       });
@@ -275,9 +276,9 @@
     });
 
     describe('updatePlayTime', function() {
-      beforeEach(function() {
+      /*beforeEach(function() {
         initialize();
-      });
+      });*/
 
       describe('when the video speed is 1.0x', function() {
         beforeEach(function() {
@@ -421,7 +422,7 @@
     describe('seekPlayer', function() {
       describe('when the video speed is 1.0x', function() {
         beforeEach(function() {
-          initialize();
+          //initialize();
           videoSpeedControl.currentSpeed = '1.0';
           $('.subtitles li[data-start="14910"]').trigger('click');
         });

common/lib/xmodule/xmodule/js/spec/videoalpha/video_control_spec.js

 (function() {
-  xdescribe('VideoControlAlpha', function() {
+  describe('VideoControlAlpha', function() {
     var state, videoControl;
 
     function initialize() {
@@ -8,6 +8,10 @@
       videoControl = state.videoControl;
     }
 
+    afterEach(function() {
+        $('source').remove();
+    });
+
     describe('constructor', function() {
       beforeEach(function() {
         window.onTouchBasedDevice = jasmine.createSpy('onTouchBasedDevice').andReturn(false);
@@ -42,6 +46,10 @@
           initialize();
         });
 
+        afterEach(function(){
+          window.onTouchBasedDevice.andReturn(false);
+        });
+
         it('does not add the play class to video control', function() {
           expect($('.video_control')).not.toHaveClass('play');
           expect($('.video_control')).not.toHaveAttr('title', 'Play');

common/lib/xmodule/xmodule/js/spec/videoalpha/video_player_spec.js

 (function() {
-  xdescribe('VideoPlayerAlpha', function() {
+  describe('VideoPlayerAlpha', function() {
     var state, videoPlayer, player, videoControl, videoCaption, videoProgressSlider, videoSpeedControl, videoVolumeControl;
 
     function initialize(fixture) {
@@ -23,6 +23,10 @@
         initialize('videoalpha.html');
     }
 
+    afterEach(function() {
+       $('source').remove();
+    });
+
     describe('constructor', function() {
       beforeEach(function() {
         $.fn.qtip.andCallFake(function() {
@@ -64,6 +68,7 @@
 
         it('create video progress slider', function() {
           expect(videoProgressSlider).toBeDefined();
+          console.log('videoProgressSlider', videoProgressSlider, state, state.videoControl.sliderEl)
           expect(videoProgressSlider.el).toHaveClass('slider');
         });
 
@@ -754,7 +759,7 @@
 
       it('set the player volume', function() {
         player.setVolume(60);
-        expect(player.getVolume()).toEqual(0.6);
+        expect(Number(player.getVolume().toFixed(1)).toEqual(0.6);
       });
     });
   });

common/lib/xmodule/xmodule/js/spec/videoalpha/video_progress_slider_spec.js

 (function() {
-  xdescribe('VideoProgressSliderAlpha', function() {
+  describe('VideoProgressSliderAlpha', function() {
     var state, videoPlayer, videoProgressSlider;
 
     function initialize() {
@@ -13,6 +13,11 @@
       window.onTouchBasedDevice = jasmine.createSpy('onTouchBasedDevice').andReturn(false);
     });
 
+
+    afterEach(function() {
+        $('source').remove();
+    });
+
     describe('constructor', function() {
       describe('on a non-touch based device', function() {
         beforeEach(function() {

common/lib/xmodule/xmodule/js/spec/videoalpha/video_quality_control_spec.js

 (function() {
-  xdescribe('VideoQualityControlAlpha', function() {
+  describe('VideoQualityControlAlpha', function() {
     var state, videoControl, videoQualityControl;
 
     function initialize() {
@@ -9,6 +9,11 @@
       videoQualityControl = state.videoQualityControl;
     }
 
+
+    afterEach(function() {
+        $('source').remove();
+    });
+
     describe('constructor', function() {
       beforeEach(function() {
         initialize();

common/lib/xmodule/xmodule/js/spec/videoalpha/video_speed_control_spec.js

 (function() {
-  xdescribe('VideoSpeedControlAlpha', function() {
+  describe('VideoSpeedControlAlpha', function() {
     var state, videoPlayer, videoControl, videoSpeedControl;
 
     function initialize() {
@@ -14,6 +14,11 @@
       window.onTouchBasedDevice = jasmine.createSpy('onTouchBasedDevice').andReturn(false);
     });
 
+
+    afterEach(function() {
+        $('source').remove();
+    });
+
     describe('constructor', function() {
       describe('always', function() {
         beforeEach(function() {

common/lib/xmodule/xmodule/js/spec/videoalpha/video_volume_control_spec.js

 (function() {
-  xdescribe('VideoVolumeControlAlpha', function() {
+  describe('VideoVolumeControlAlpha', function() {
     var state, videoControl, videoVolumeControl;
 
     function initialize() {
@@ -9,6 +9,12 @@
       videoVolumeControl = state.videoVolumeControl;
     }
 
+
+
+    afterEach(function() {
+        $('source').remove();
+    });
+
     describe('constructor', function() {
       beforeEach(function() {
         spyOn($.fn, 'slider').andCallThrough();

common/lib/xmodule/xmodule/js/src/videoalpha/10_video_caption.js

@@ -125,7 +125,8 @@ function () {
             } else {
                 _this.videoCaption.renderCaption();
             }
-        });
+        })
+        .error(function(){console.error('Subtitles not found. Upload subtitles to server!');});
     }
 
     function captionURL() {