Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /mnt/volume_lon1_01/backend/adminseppi/vendor/nikic/fast-route/test/RouteCollectorTest.php:7 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/adminseppi/vendor/nikic/fast-route/test/RouteCollectorTest.php on line 7