Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /lamp/www/quantix/vendor/cboden/ratchet/tests/unit/Wamp/ServerProtocolTest.php:11 Stack trace: #0 {main} thrown in /lamp/www/quantix/vendor/cboden/ratchet/tests/unit/Wamp/ServerProtocolTest.php on line 11