Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /opt/lampp/htdocs/myhospitalnow/mhn-stories-ms/tests/Unit/ExampleTest.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-stories-ms/tests/Unit/ExampleTest.php on line 7