Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/technog6/public_html/uniserv/vendor/symfony/http-kernel/Tests/UriSignerTest.php:18 Stack trace: #0 {main} thrown in /home/technog6/public_html/uniserv/vendor/symfony/http-kernel/Tests/UriSignerTest.php on line 18