Fatal error: Uncaught Error: Class "Http\Psr7Test\ServerRequestIntegrationTest" not found in C:\xampp\htdocs\vendor\slim\psr7\tests\Integration\ServerRequestTest.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\slim\psr7\tests\Integration\ServerRequestTest.php on line 17