Fatal error: Uncaught Error: Class "Symfony\Component\Translation\Tests\Catalogue\AbstractOperationTestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\symfony\translation\Tests\Catalogue\MergeOperationTest.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\symfony\translation\Tests\Catalogue\MergeOperationTest.php on line 18