Fatal error: Uncaught Error: Class "Illuminate\Tests\Integration\Database\MySql\MySqlTestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\laravel\framework\tests\Integration\Database\MySql\EloquentCastTest.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\laravel\framework\tests\Integration\Database\MySql\EloquentCastTest.php on line 11