Fatal error: Uncaught Error: Class "Tests\TestCase" not found in /home/kartulirest/public_html/xyz.kartulirest.de/tests/Unit/FoodCostServiceTest.php:15 Stack trace: #0 {main} thrown in /home/kartulirest/public_html/xyz.kartulirest.de/tests/Unit/FoodCostServiceTest.php on line 15