Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/alkhalaffamily/public_html/cendrilla/vendor/lcobucci/jwt/test/functional/RFC6978VectorTest.php:15 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/cendrilla/vendor/lcobucci/jwt/test/functional/RFC6978VectorTest.php on line 15