Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in D:\php\WWW\xhqmzzwatdqc.cccf.net\vendor\maennchen\zipstream-php\test\ZipStreamTest.php:18 Stack trace: #0 {main} thrown in D:\php\WWW\xhqmzzwatdqc.cccf.net\vendor\maennchen\zipstream-php\test\ZipStreamTest.php on line 18