Turned back on several Video Jasmine tests.

BLD-463

CHANGELOG.rst

@@ -5,6 +5,8 @@ These are notable changes in edx-platform.  This is a rolling list of changes,
 in roughly chronological order, most recent first.  Add your entries at or near
 the top.  Include a label indicating the component affected.
 
+Blades: Enabled several Video Jasmine tests. BLD-463.
+
 Blades: Put 2nd "Hide output" button at top of test box & increase text size for
 code response questions. BLD-126.
 

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

@@ -271,7 +271,17 @@
         });
 
         // Disabled 10/29/13 due to flakiness in master
-        xdescribe('multiple YT on page', function () {
+        //
+        // Update: Turned on test back again. Passing locally and on
+        // Jenkins in a large number of runs.
+        //
+        // Will observe for a little while to see if any failures arise.
+        // Most probable cause of test passing is:
+        //
+        // https://github.com/edx/edx-platform/pull/1642
+        //
+        // : )
+        describe('multiple YT on page', function () {
             var state1, state2, state3;
 
             beforeEach(function () {

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

@@ -457,7 +457,17 @@
                 });
 
                 // Disabled 10/25/13 due to flakiness in master
-                xit('scroll caption to new position', function () {
+                //
+                // Update: Turned on test back again. Passing locally and on
+                // Jenkins in a large number of runs.
+                //
+                // Will observe for a little while to see if any failures arise.
+                // Most probable cause of test passing is:
+                //
+                // https://github.com/edx/edx-platform/pull/1642
+                //
+                // : )
+                it('scroll caption to new position', function () {
                     expect($.fn.scrollTo).toHaveBeenCalled();
                 });
             });
@@ -538,7 +548,17 @@
         });
 
         // Disabled 10/23/13 due to flakiness in master
-        xdescribe('scrollCaption', function () {
+        //
+        // Update: Turned on test back again. Passing locally and on
+        // Jenkins in a large number of runs.
+        //
+        // Will observe for a little while to see if any failures arise.
+        // Most probable cause of test passing is:
+        //
+        // https://github.com/edx/edx-platform/pull/1642
+        //
+        // : )
+        describe('scrollCaption', function () {
             beforeEach(function () {
                 initialize();
             });
@@ -683,7 +703,17 @@
                 });
 
                 // Test turned off due to flakiness (30.10.2013).
-                xit('scroll the caption', function () {
+                //
+                // Update: Turned on test back again. Passing locally and on
+                // Jenkins in a large number of runs.
+                //
+                // Will observe for a little while to see if any failures arise.
+                // Most probable cause of test passing is:
+                //
+                // https://github.com/edx/edx-platform/pull/1642
+                //
+                // : )
+                it('scroll the caption', function () {
                     // After transcripts are shown, and the video plays for a
                     // bit.
                     jasmine.Clock.tick(1000);

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

@@ -154,7 +154,17 @@
             });
 
             // Turned off test due to flakiness (30.10.2013).
-            xit('trigger seek event', function() {
+            //
+            // Update: Turned on test back again. Passing locally and on
+            // Jenkins in a large number of runs.
+            //
+            // Will observe for a little while to see if any failures arise.
+            // Most probable cause of test passing is:
+            //
+            //     https://github.com/edx/edx-platform/pull/1642
+            //
+            // : )
+            it('trigger seek event', function() {
                 runs(function () {
                     videoProgressSlider.onSlide(
                         jQuery.Event('slide'), { value: 20 }
@@ -220,7 +230,17 @@
             });
 
             // Turned off test due to flakiness (30.10.2013).
-            xit('trigger seek event', function() {
+            //
+            // Update: Turned on test back again. Passing locally and on
+            // Jenkins in a large number of runs.
+            //
+            // Will observe for a little while to see if any failures arise.
+            // Most probable cause of test passing is:
+            //
+            //     https://github.com/edx/edx-platform/pull/1642
+            //
+            // : )
+            it('trigger seek event', function() {
                 runs(function () {
                     videoProgressSlider.onStop(
                         jQuery.Event('stop'), { value: 20 }