Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/hamcrest/hamcrest-php/tests/Hamcrest/AbstractMatcherTest.php:9 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/hamcrest/hamcrest-php/tests/Hamcrest/AbstractMatcherTest.php on line 9