Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /opt/lampp/htdocs/Insurance-Integration/vendor/hamcrest/hamcrest-php/tests/Hamcrest/MatcherAssertTest.php:6 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/Insurance-Integration/vendor/hamcrest/hamcrest-php/tests/Hamcrest/MatcherAssertTest.php on line 6