Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/api/sales_dep/vendor/lcobucci/jwt/test/functional/RFC6978VectorTest.php:20 Stack trace: #0 {main} thrown in /var/www/html/api/sales_dep/vendor/lcobucci/jwt/test/functional/RFC6978VectorTest.php on line 20