Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/sybtech/jibril-dev2.sybtech.ma/vendor/sebastian/recursion-context/tests/ContextTest.php:18 Stack trace: #0 {main} thrown in /home/sybtech/jibril-dev2.sybtech.ma/vendor/sebastian/recursion-context/tests/ContextTest.php on line 18