Make benchmark tests pass
Make benchmark tests pass

A new query object is needed for each evaulation,
as the iterators would otherwise be shared across evaluations.

keegancsmith/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,prometheus/prometheus,keegancsmith/prometheus,kangwoo/prometheus,kangwoo/prometheus,keegancsmith/prometheus,amorken/prometheus,GoogleCloudPlatform/prometheus,Gouthamve/prometheus,prometheus/prometheus,Gouthamve/prometheus,GoogleCloudPlatform/prometheus,Gouthamve/prometheus,keegancsmith/prometheus,Gouthamve/prometheus,alileza/prometheus,kangwoo/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,amorken/prometheus,kangwoo/prometheus,amorken/prometheus,keegancsmith/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,alileza/prometheus,alileza/prometheus,amorken/prometheus,alileza/prometheus