Fatal error: Uncaught Error: Class 'Ratchet\AbstractMessageComponentTestCase' not found in C:\laragon\www\demonstracao\OFF\vendor\cboden\ratchet\tests\unit\Wamp\WampServerTest.php:8 Stack trace: #0 {main} thrown in C:\laragon\www\demonstracao\OFF\vendor\cboden\ratchet\tests\unit\Wamp\WampServerTest.php on line 8