Fatal error: Uncaught Error: Class "Illuminate\Tests\Integration\Generators\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\laravel\framework\tests\Integration\Generators\SeederMakeCommandTest.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\laravel\framework\tests\Integration\Generators\SeederMakeCommandTest.php on line 5