provider/gce: add package_test.go.
provider/gce: add package_test.go.

dooferlad/juju,cherylj/juju,cherylj/juju,mjs/juju,howbazaar/juju,howbazaar/juju,mjs/juju,voidspace/juju,tsakas/juju,alesstimec/juju,mhilton/juju,ericsnowcurrently/juju,perrito666/juju,kat-co/juju,reedobrien/juju,fwereade/juju,fwereade/juju,marcmolla/juju,marcmolla/juju,dimitern/juju,gabriel-samfira/juju,davecheney/juju,wwitzel3/juju,perrito666/juju,reedobrien/juju,marcmolla/juju,frankban/juju,mikemccracken/juju,bac/juju,wwitzel3/juju,perrito666/juju,dimitern/juju,axw/juju,AdamIsrael/juju,howbazaar/juju,thomnico/juju,kat-co/juju,howbazaar/juju,cmars/juju,davecheney/juju,perrito666/juju,bac/juju,davecheney/juju,wwitzel3/juju,anastasiamac/juju,dooferlad/juju,cherylj/juju,axw/juju,bogdanteleaga/juju,AdamIsrael/juju,Altoros/juju-cloudsigma,alesstimec/juju,Altoros/juju-cloudsigma,mhilton/juju,tsakas/juju,mhilton/juju-juju,bogdanteleaga/juju,bac/juju,tych0/juju,dooferlad/juju,anastasiamac/juju,macgreagoir/juju,axw/juju,reedobrien/juju,sinzui/juju,anastasiamac/juju,alesstimec/juju,Altoros/juju-cloudsigma,gabriel-samfira/juju,tych0/juju,frankban/juju,wwitzel3/juju,AdamIsrael/juju,thomnico/juju,thomnico/juju,dooferlad/juju,mikemccracken/juju,davecheney/juju,macgreagoir/juju,mhilton/juju-juju,waigani/juju,kat-co/juju,bz2/juju,mhilton/juju-juju,mjs/juju,cloud-green/juju,mhilton/juju-juju,bogdanteleaga/juju,tasdomas/juju,cmars/juju,alesstimec/juju,cherylj/juju,waigani/juju,macgreagoir/juju,gabriel-samfira/juju,thomnico/juju,makyo/juju,fwereade/juju,anastasiamac/juju,howbazaar/juju,tasdomas/juju,makyo/juju,voidspace/juju,alesstimec/juju,dimitern/juju,ericsnowcurrently/juju,kat-co/juju,waigani/juju,reedobrien/juju,voidspace/juju,bac/juju,dooferlad/juju,ericsnowcurrently/juju,mhilton/juju,cloud-green/juju,mjs/juju,gabriel-samfira/juju,dimitern/juju,frankban/juju-tmp,bz2/juju,tsakas/juju,ericsnowcurrently/juju,frankban/juju,AdamIsrael/juju,mjs/juju,waigani/juju,marcmolla/juju,macgreagoir/juju,sinzui/juju,gabriel-samfira/juju,bz2/juju,tsakas/juju,marcmolla/juju,cloud-green/juju,tasdomas/juju,tasdomas/juju,frankban/juju,cmars/juju,axw/juju,reedobrien/juju,bz2/juju,macgreagoir/juju,mjs/juju,sinzui/juju,makyo/juju,bac/juju,makyo/juju,Altoros/juju-cloudsigma,cmars/juju,perrito666/juju,sinzui/juju,mikemccracken/juju,frankban/juju-tmp,anastasiamac/juju,cloud-green/juju,frankban/juju-tmp,voidspace/juju,dimitern/juju,mikemccracken/juju,frankban/juju-tmp,kat-co/juju,bz2/juju,axw/juju,bogdanteleaga/juju,ericsnowcurrently/juju,mjs/juju,fwereade/juju,tych0/juju,tych0/juju,mikemccracken/juju,frankban/juju,mhilton/juju