Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/smagamf/chloe_garden/vendor/symfony/twig-bridge/Tests/Extension/SerializerExtensionTest.php:31 Stack trace: #0 {main} thrown in /home/smagamf/chloe_garden/vendor/symfony/twig-bridge/Tests/Extension/SerializerExtensionTest.php on line 31