Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/mpw/vendor/lcobucci/jwt/test/functional/EcdsaTokenTest.php:46 Stack trace: #0 {main} thrown in /var/www/html/mpw/vendor/lcobucci/jwt/test/functional/EcdsaTokenTest.php on line 46