Fatal error: Uncaught Error: Class "Symfony\Component\CssSelector\Tests\Parser\Handler\AbstractHandlerTestCase" not found in /users/danielstruebig/www/firma/vendor/symfony/css-selector/Tests/Parser/Handler/WhitespaceHandlerTest.php:17 Stack trace: #0 {main} thrown in /users/danielstruebig/www/firma/vendor/symfony/css-selector/Tests/Parser/Handler/WhitespaceHandlerTest.php on line 17