Fatal error: Uncaught Error: Class "OpenApi\Tests\OpenApiTestCase" not found in /home/mohamed/education.mohamed-emad.com/vendor/zircote/swagger-php/tests/ExamplesTest.php:19 Stack trace: #0 {main} thrown in /home/mohamed/education.mohamed-emad.com/vendor/zircote/swagger-php/tests/ExamplesTest.php on line 19