Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/devypfrfhn/med-hub.devyp.fr/vendor/phpunit/php-timer/tests/TimerTest.php:18 Stack trace: #0 {main} thrown in /home/devypfrfhn/med-hub.devyp.fr/vendor/phpunit/php-timer/tests/TimerTest.php on line 18