Fatal error: Uncaught Error: Class "Tests\TestCase" not found in C:\laragon\htdocs\eloboost24\tests\Unit\Libraries\Calculator\ManualPriceCalculatorTest.php:15 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\tests\Unit\Libraries\Calculator\ManualPriceCalculatorTest.php on line 15