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