Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/polishdeid/sites/wilotour.pl/releases/4/vendor/yriveiro/php-fslock/tests/FSLockTest.php:9 Stack trace: #0 {main} thrown in /home/polishdeid/sites/wilotour.pl/releases/4/vendor/yriveiro/php-fslock/tests/FSLockTest.php on line 9