Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in D:\xampp\htdocs\api\web_ax_api\vendor\nikic\fast-route\test\RouteCollectorTest.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\api\web_ax_api\vendor\nikic\fast-route\test\RouteCollectorTest.php on line 7