Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/petclap/public_html/production/vendor/lcobucci/jwt/test/functional/HmacTokenTest.php:21 Stack trace: #0 {main} thrown in /home/petclap/public_html/production/vendor/lcobucci/jwt/test/functional/HmacTokenTest.php on line 21