Actually run the downloader tests.
Actually run the downloader tests.

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