Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in E:\install\laragon\www\erp_gpharma_old_db\vendor\cboden\ratchet\tests\unit\Server\EchoServerTest.php:5 Stack trace: #0 {main} thrown in E:\install\laragon\www\erp_gpharma_old_db\vendor\cboden\ratchet\tests\unit\Server\EchoServerTest.php on line 5