MC-38807: Preview Template button does not work in Queue Edit Page

Author: StasKozar

dev/tests/js/jasmine/tests/lib/mage/tinymce4Adapter.test.js

@@ -5,8 +5,9 @@
 
 define([
     'wysiwygAdapter',
-    'underscore'
-], function (wysiwygAdapter, _) {
+    'underscore',
+    'tinymce4'
+], function (wysiwygAdapter, _, tinyMCE4) {
     'use strict';
 
     var obj;
@@ -38,4 +39,12 @@ define([
             expect(_.size(obj.eventBus.arrEvents['open_browser_callback'])).toBe(1);
         });
     });
+
+    describe('"triggerSave" method', function () {
+        it('Check method call.', function () {
+            spyOn(tinyMCE4, 'triggerSave')
+            obj.triggerSave();
+            expect(tinyMCE4.triggerSave).toHaveBeenCalled();
+        });
+    });
 });