Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/waecliberia/public_html/api.waecliberia.org/vendor/guzzlehttp/promises/tests/FulfilledPromiseTest.php:15 Stack trace: #0 {main} thrown in /home/waecliberia/public_html/api.waecliberia.org/vendor/guzzlehttp/promises/tests/FulfilledPromiseTest.php on line 15