Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/lidia/vendor/alfaproject/omnipay-skrill/tests/Omnipay/Skrill/Message/StatusClassCallbackTest.php:5 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/alfaproject/omnipay-skrill/tests/Omnipay/Skrill/Message/StatusClassCallbackTest.php on line 5