Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /home/kartulirest/public_html/kartulirest.de/tests/Feature/PosTablesAndOpenBillsTest.php:14 Stack trace: #0 {main} thrown in /home/kartulirest/public_html/kartulirest.de/tests/Feature/PosTablesAndOpenBillsTest.php on line 14