Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/lidia/vendor/rackspace/php-opencloud/tests/OpenCloud/Smoke/Unit/AbstractUnit.php:31 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/rackspace/php-opencloud/tests/OpenCloud/Smoke/Unit/AbstractUnit.php on line 31