Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/app/appregwebservice/vendor/nexusphp/cs-config/src/Test/AbstractRulesetTestCase.php:27 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/nexusphp/cs-config/src/Test/AbstractRulesetTestCase.php on line 27