Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\Application\www\Training\vendor\symfony\routing\Tests\DependencyInjection\RoutingResolverPassTest.php:20 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\symfony\routing\Tests\DependencyInjection\RoutingResolverPassTest.php on line 20