Fatal error: Uncaught Error: Class "SebastianBergmann\GlobalState\TestFixture\BlacklistedClass" not found in C:\xampp\htdocs\vendor\sebastian\global-state\tests\_fixture\BlacklistedChildClass.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\sebastian\global-state\tests\_fixture\BlacklistedChildClass.php on line 12