Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /data/htmlwww/workspace/web-tubanzhang/vendor/colinmollenhour/credis/tests/CredisTestCommon.php:7 Stack trace: #0 /data/htmlwww/workspace/web-tubanzhang/vendor/colinmollenhour/credis/tests/CredisClusterTest.php(5): require_once() #1 {main} thrown in /data/htmlwww/workspace/web-tubanzhang/vendor/colinmollenhour/credis/tests/CredisTestCommon.php on line 7