Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\Salur\Kasir_UMKM\tests\Unit\ExampleTest.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Salur\Kasir_UMKM\tests\Unit\ExampleTest.php on line 7