Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /data/htmlwww/wookteam/vendor/opis/closure/tests/ReflectionClosure3Test.php:18 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/opis/closure/tests/ReflectionClosure3Test.php on line 18