Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestSuite" not found in /home/airtimer/public_html/dev/tests/api-functional/testsuite/Magento/WebApiTest.php:28 Stack trace: #0 {main} thrown in /home/airtimer/public_html/dev/tests/api-functional/testsuite/Magento/WebApiTest.php on line 28