Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\xampp\htdocs\hannoole\schol\vendor\cboden\ratchet\tests\unit\Session\Storage\VirtualSessionStoragePDOTest.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\schol\vendor\cboden\ratchet\tests\unit\Session\Storage\VirtualSessionStoragePDOTest.php on line 8