Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/lindinhas.net/vendor/arrilot/laravel-widgets/tests/Support/TestCase.php:8 Stack trace: #0 {main} thrown in /var/www/lindinhas.net/vendor/arrilot/laravel-widgets/tests/Support/TestCase.php on line 8