Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\Application\www\E-Tracking\vendor\sebastian\object-reflector\tests\ObjectReflectorTest.php:22 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\sebastian\object-reflector\tests\ObjectReflectorTest.php on line 22