Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in I:\www\pvcParser\vendor\pvc\msg\tests\DomainCatalogFileLoaderPHPTest.php:15 Stack trace: #0 {main} thrown in I:\www\pvcParser\vendor\pvc\msg\tests\DomainCatalogFileLoaderPHPTest.php on line 15