Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/qrapp/public_html/vendor/pragmarx/ia-arr/stubs/tests/ArrTest.php:8 Stack trace: #0 {main} thrown in /home/qrapp/public_html/vendor/pragmarx/ia-arr/stubs/tests/ArrTest.php on line 8