Fatal error: Uncaught Error: Call to undefined function test() in /home/ramassof/backup.ramas.dev/vendor/laravel/serializable-closure/tests/InstanceofExpressionTest.php:6 Stack trace: #0 {main} thrown in /home/ramassof/backup.ramas.dev/vendor/laravel/serializable-closure/tests/InstanceofExpressionTest.php on line 6