Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\aroflo-dataforce\vendor\sebastian\global-state\tests\BlacklistTest.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\aroflo-dataforce\vendor\sebastian\global-state\tests\BlacklistTest.php on line 21