Fatal error: Uncaught Error: Call to undefined function test() in /var/www/html/api/sales_dep/vendor/laravel/serializable-closure/tests/SerializerPhp80Test.php:5 Stack trace: #0 {main} thrown in /var/www/html/api/sales_dep/vendor/laravel/serializable-closure/tests/SerializerPhp80Test.php on line 5