MAGETWO-38001: Merchant isn't navigated to tab with failed JS validation

Author: vzaets

lib/web/mage/backend/tabs.js

@@ -323,7 +323,6 @@
 
             fakeEvent.currentTarget = $(this.anchors).eq(e.data.index);
             this._eventHandler(fakeEvent);
-
             this.anchors.eq(e.data.index).addClass(cssError).find('.' + cssError).show();
             this._updateNavTitleMessages(e, cssError);
         },