@startDocuBlock patch_cluster_test @brief executes a cluster roundtrip for sharding @RESTHEADER{PATCH /_admin/cluster-test, Update cluster roundtrip} @RESTALLBODYPARAM{body,object,required} @RESTDESCRIPTION See GET method. The body can be any type and is simply forwarded. @RESTRETURNCODE{200} is returned when everything went well, or if a timeout occurred. In the latter case a body of type application/json indicating the timeout is returned. @RESTRETURNCODE{403} is returned if ArangoDB is not running in cluster mode. @RESTRETURNCODE{404} is returned if ArangoDB was not compiled for cluster operation. @endDocuBlock