MC-4052: Stabilize builds for PR

 - fix static test failures

Author: cspruiell

lib/web/mage/adminhtml/wysiwyg/tiny_mce/tinymce4Adapter.js

@@ -127,9 +127,10 @@ define([
          * @param {String} wysiwygId
          */
         removeEvents: function (wysiwygId) {
-            if (typeof tinyMceEditors !== "undefined") {
-                var editor = tinyMceEditors.get(wysiwygId);
+            var editor;
 
+            if (typeof tinyMceEditors !== 'undefined') {
+                editor = tinyMceEditors.get(wysiwygId);
                 varienGlobalEvents.removeEventHandler('tinymceChange', editor.onChangeContent);
             }
         },