MAGETWO-97671: Invalid action behavior

Author: svitja

app/code/Magento/Email/Controller/Adminhtml/Email/Template/Popup.php

@@ -10,6 +10,13 @@
  */
 class Popup extends \Magento\Backend\App\Action
 {
+    /**
+     * Authorization level of a basic admin session.
+     *
+     * @see _isAllowed()
+     */
+    const ADMIN_RESOURCE = 'Magento_Email::template';
+
     /**
      * @var \Magento\Framework\View\Result\PageFactory
      */
@@ -38,12 +45,4 @@ public function execute()
     {
         return $this->resultPageFactory->create();
     }
-
-    /**
-     * @inheritdoc
-     */
-    protected function _isAllowed()
-    {
-        return $this->_authorization->isAllowed('Magento_Email::template');
-    }
 }