Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/socket.payloader.fctdme.org.ng/vendor/ralouphie/getallheaders/tests/GetAllHeadersTest.php:7 Stack trace: #0 {main} thrown in /var/www/socket.payloader.fctdme.org.ng/vendor/ralouphie/getallheaders/tests/GetAllHeadersTest.php on line 7