Fatal error: Uncaught Error: Class "Illuminate\Database\DatabaseTransactionsManager" not found in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Foundation/Testing/DatabaseTransactionsManager.php:7 Stack trace: #0 {main} thrown in /var/www/html/booking/vendor/laravel/framework/src/Illuminate/Foundation/Testing/DatabaseTransactionsManager.php on line 7