MAGETWO-60982: AJAX calls does not process error responses

Author: slopukhov

lib/web/mage/backend/bootstrap.js

@@ -7,11 +7,11 @@
 define([
     'jquery',
     'mage/apply/main',
+    'mage/backend/notification',
     'Magento_Ui/js/lib/knockout/bootstrap',
     'mage/mage',
-    'mage/translate',
-    'mage/backend/notification'
-], function ($, mage) {
+    'mage/translate'
+], function ($, mage, notification) {
     'use strict';
 
     var bootstrap;
@@ -108,7 +108,7 @@ define([
         /*
          * Initialization of notification widget
          */
-        $('body').mage('notification');
+        notification({}, $('body'));
     };
 
     $(bootstrap);