Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /mnt/volume_lon1_01/backend/adminseppi/vendor/laravel/lumen-framework/src/Testing/TestCase.php:12
Stack trace:
#0 {main}
thrown in /mnt/volume_lon1_01/backend/adminseppi/vendor/laravel/lumen-framework/src/Testing/TestCase.php on line 12