Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /newdata/themendco/public_html/tmp1.mwz/vendor/kalnoy/nestedset/tests/ScopedNodeTest.php:6 Stack trace: #0 {main} thrown in /newdata/themendco/public_html/tmp1.mwz/vendor/kalnoy/nestedset/tests/ScopedNodeTest.php on line 6