Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\laragon\www\korzillax\tests\Unit\Core\Layout\VisibilityResolverTest.php:15 Stack trace: #0 {main} thrown in D:\laragon\www\korzillax\tests\Unit\Core\Layout\VisibilityResolverTest.php on line 15