Fatal error: Uncaught Error: Class "Ratchet\AbstractMessageComponentTestCase" not found in D:\xampp\htdocs\help.cagpro.cloud\vendor\cboden\ratchet\tests\unit\Http\HttpServerTest.php:8 Stack trace: #0 {main} thrown in D:\xampp\htdocs\help.cagpro.cloud\vendor\cboden\ratchet\tests\unit\Http\HttpServerTest.php on line 8