Fatal error: Uncaught Error: Class "FedEx\Tests\TestCase" not found in /home/devmindz/public_html/fedex_api/php/tests/FedEx/Tests/UploadDocumentServiceTest.php:9 Stack trace: #0 {main} thrown in /home/devmindz/public_html/fedex_api/php/tests/FedEx/Tests/UploadDocumentServiceTest.php on line 9