Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/alkhalaffamily/public_html/felhal/vendor/sebastian/diff/tests/Utils/UnifiedDiffAssertTraitIntegrationTest.php:21
Stack trace:
#0 {main}
thrown in /home/alkhalaffamily/public_html/felhal/vendor/sebastian/diff/tests/Utils/UnifiedDiffAssertTraitIntegrationTest.php on line 21