Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /data/htmlwww/wookteam/vendor/sebastian/complexity/tests/integration/CalculatorTest.php:27 Stack trace: #0 {main} thrown in /data/htmlwww/wookteam/vendor/sebastian/complexity/tests/integration/CalculatorTest.php on line 27