Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/smagamf/chloe_garden/vendor/doctrine/doctrine-migrations-bundle/Tests/Collector/MigrationsFlattenerTest.php:21 Stack trace: #0 {main} thrown in /home/smagamf/chloe_garden/vendor/doctrine/doctrine-migrations-bundle/Tests/Collector/MigrationsFlattenerTest.php on line 21