Ensure the added metrics have different created times.
Ensure the added metrics have different created times.

reedobrien/juju,frankban/juju,bac/juju,reedobrien/juju,kat-co/juju,gabriel-samfira/juju,ericsnowcurrently/juju,bac/juju,axw/juju,waigani/juju,kat-co/juju,bz2/juju,frankban/juju,macgreagoir/juju,ericsnowcurrently/juju,macgreagoir/juju,alesstimec/juju,gabriel-samfira/juju,ericsnowcurrently/juju,mikemccracken/juju,mjs/juju,dimitern/juju,alesstimec/juju,reedobrien/juju,mikemccracken/juju,AdamIsrael/juju,kat-co/juju,perrito666/juju,bz2/juju,frankban/juju,alesstimec/juju,gabriel-samfira/juju,mjs/juju,perrito666/juju,anastasiamac/juju,anastasiamac/juju,dimitern/juju,howbazaar/juju,mjs/juju,frankban/juju,marcmolla/juju,bz2/juju,perrito666/juju,kat-co/juju,waigani/juju,howbazaar/juju,macgreagoir/juju,macgreagoir/juju,anastasiamac/juju,ericsnowcurrently/juju,AdamIsrael/juju,bz2/juju,mjs/juju,AdamIsrael/juju,mjs/juju,axw/juju,ericsnowcurrently/juju,bac/juju,frankban/juju,kat-co/juju,bac/juju,marcmolla/juju,dimitern/juju,macgreagoir/juju,bz2/juju,perrito666/juju,perrito666/juju,marcmolla/juju,howbazaar/juju,waigani/juju,howbazaar/juju,mikemccracken/juju,mikemccracken/juju,anastasiamac/juju,reedobrien/juju,howbazaar/juju,dimitern/juju,axw/juju,mjs/juju,dimitern/juju,mjs/juju,gabriel-samfira/juju,gabriel-samfira/juju,axw/juju,alesstimec/juju,marcmolla/juju,mikemccracken/juju,marcmolla/juju,axw/juju,alesstimec/juju,bac/juju,anastasiamac/juju,reedobrien/juju,AdamIsrael/juju,waigani/juju