Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in I:\www\pvcExif\vendor\pvc\err\tests\stock\StockExceptionFactoryTest.php:44 Stack trace: #0 {main} thrown in I:\www\pvcExif\vendor\pvc\err\tests\stock\StockExceptionFactoryTest.php on line 44