Deprecated: FOS\RestBundle\Tests\Functional\app\AppKernel implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /home/gingerbrup/rappelapi/vendor/friendsofsymfony/rest-bundle/Tests/Functional/app/AppKernel.php on line 52