Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /opt/lampp/htdocs/restaurante.apirest/vendor/cboden/ratchet/tests/unit/Wamp/WampConnectionTest.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/restaurante.apirest/vendor/cboden/ratchet/tests/unit/Wamp/WampConnectionTest.php on line 7