Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/airtimer/public_html/vendor/colinmollenhour/credis/tests/CredisTestCommon.php:7 Stack trace: #0 {main} thrown in /home/airtimer/public_html/vendor/colinmollenhour/credis/tests/CredisTestCommon.php on line 7