uniter: split tests in smaller chunks
uniter: split tests in smaller chunks

This is a trivial change, splitting the existing
uniter tests into smaller logical chunks, which
make it easier to invoke separately skip and debug.

R=fwereade, TheMue
CC=
https://codereview.appspot.com/7378066

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