Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/apolo/public_html/qua_sgdpr/vendor/textalk/websocket/tests/ClientTest.php:17 Stack trace: #0 {main} thrown in /home/apolo/public_html/qua_sgdpr/vendor/textalk/websocket/tests/ClientTest.php on line 17