Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\laragon\www\erp-app\vendor\nunomaduro\collision\tests\Unit\HandlerTest.php:13 Stack trace: #0 {main} thrown in C:\laragon\www\erp-app\vendor\nunomaduro\collision\tests\Unit\HandlerTest.php on line 13