Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/customer_managers_nurses/tests/Unit/ExampleTest.php:8 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/propreshnow_nurses/customer_managers_nurses/tests/Unit/ExampleTest.php on line 8