Fatal error: Uncaught Error: Class "Symfony\Component\Finder\Tests\Iterator\IteratorTestCase" not found in D:\Application\www\Training\vendor\symfony\finder\Tests\Iterator\RealIteratorTestCase.php:14 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\symfony\finder\Tests\Iterator\RealIteratorTestCase.php on line 14