Fatal error: Uncaught Error: Class 'OpenCloud\Common\Resource\PersistentResource' not found in /home/app/htdocs/lidia/vendor/rackspace/php-opencloud/tests/OpenCloud/Tests/Common/Resource/PersistentResourceTest.php:24 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/rackspace/php-opencloud/tests/OpenCloud/Tests/Common/Resource/PersistentResourceTest.php on line 24