Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/labz/vendor/markbaker/complex/unitTests/classes/src/ComplexTest.php:7 Stack trace: #0 {main} thrown in /var/www/html/labz/vendor/markbaker/complex/unitTests/classes/src/ComplexTest.php on line 7