Fatal error: Uncaught Error: Call to undefined function test() in C:\xampp\htdocs\astra-backoffice\vendor\laravel\serializable-closure\tests\SerializerPhp80Test.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\laravel\serializable-closure\tests\SerializerPhp80Test.php on line 5