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