Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/htdocs/github.timshomepage.net/php-kilo/tests/Traits/ConstListTest.php:8 Stack trace: #0 {main} thrown in /var/www/htdocs/github.timshomepage.net/php-kilo/tests/Traits/ConstListTest.php on line 8