MC-41575: Magento Catalog Frontend Action Synchronizer 400 causes JS unhandled error

Author: yelahin-serhiy

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

@@ -697,7 +697,8 @@ define([
 
                 return d.promise();
             });
-            expect(utils.ajaxSubmit(options, config)).toBeDefined();
+            utils.ajaxSubmit(options, config);
+            expect($.ajax).toHaveBeenCalled();
         });
     });
 });