Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\OFFLINE\Uawa\laravel-version\laravel\vendor\sebastian\comparator\tests\ResourceComparatorTest.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\OFFLINE\Uawa\laravel-version\laravel\vendor\sebastian\comparator\tests\ResourceComparatorTest.php on line 21