Fatal error: Uncaught Error: Class "Payum\Bundle\PayumBundle\Tests\Functional\WebTestCase" not found in /home/flighto/e-commerce/vendor/payum/payum-bundle/Tests/Functional/PayumBuilderTest.php:10 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/payum/payum-bundle/Tests/Functional/PayumBuilderTest.php on line 10