Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\laragon\www\baikal\vendor\sabre\http\tests\HTTP\Auth\DigestTest.php:10 Stack trace: #0 {main} thrown in C:\laragon\www\baikal\vendor\sabre\http\tests\HTTP\Auth\DigestTest.php on line 10