Fatal error: Uncaught Error: Call to undefined function test() in /home/appgulf1/elevator.hifisys.com/elevator/vendor/laravel/serializable-closure/tests/SerializerTest.php:11 Stack trace: #0 {main} thrown in /home/appgulf1/elevator.hifisys.com/elevator/vendor/laravel/serializable-closure/tests/SerializerTest.php on line 11