Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/smagamf/chloe_garden/vendor/symfony/security-core/Tests/Authentication/Token/SwitchUserTokenTest.php:20 Stack trace: #0 {main} thrown in /home/smagamf/chloe_garden/vendor/symfony/security-core/Tests/Authentication/Token/SwitchUserTokenTest.php on line 20