Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\datosgr\cons\vendor\cboden\ratchet\tests\unit\Session\Serialize\PhpHandlerTest.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\datosgr\cons\vendor\cboden\ratchet\tests\unit\Session\Serialize\PhpHandlerTest.php on line 8