Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Test\WebTestCase" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/symfony/psr-http-message-bridge/Tests/Functional/ControllerTest.php:22
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/symfony/psr-http-message-bridge/Tests/Functional/ControllerTest.php on line 22