Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\finance-ll\vendor\org_heigl\ghostscript\tests\Device\JpegTest.php:40 Stack trace: #0 {main} thrown in C:\xampp\htdocs\finance-ll\vendor\org_heigl\ghostscript\tests\Device\JpegTest.php on line 40