Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\www\frey\qgmvc\v1.0\composer\vendor\textalk\websocket\tests\ClientTest.php:14 Stack trace: #0 {main} thrown in E:\www\frey\qgmvc\v1.0\composer\vendor\textalk\websocket\tests\ClientTest.php on line 14