Fatal error: Uncaught Error: Class 'Illuminate\Database\Seeder' not found in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Database/DatabaseSeederTest.php:13 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/laravel/framework/tests/Database/DatabaseSeederTest.php on line 13