Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /mnt/volume_lon1_01/backend/admin/vendor/sebastian/global-state/tests/BlacklistTest.php:21
Stack trace:
#0 {main}
thrown in /mnt/volume_lon1_01/backend/admin/vendor/sebastian/global-state/tests/BlacklistTest.php on line 21