Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /newdata/themendco/public_html/tmp1.mwz/vendor1/nicmart/tree/test/Unit/Node/NodeTest.php:25 Stack trace: #0 {main} thrown in /newdata/themendco/public_html/tmp1.mwz/vendor1/nicmart/tree/test/Unit/Node/NodeTest.php on line 25