Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\NTG_App\www\store_management_system\vendor\maennchen\zipstream-php\test\PackFieldTest.php:11 Stack trace: #0 {main} thrown in D:\NTG_App\www\store_management_system\vendor\maennchen\zipstream-php\test\PackFieldTest.php on line 11