Add scheme to HUB_TEST_HOST to avoid confusing Go error
Add scheme to HUB_TEST_HOST to avoid confusing Go error

boris-rea/hub,pcorpet/hub,github/hub,github/hub,dongjoon-hyun/hub,cpick/hub,rlugojr/hub,boris-rea/hub,rlugojr/hub,cpick/hub,tomasv/hub,pcorpet/hub,github/hub,whilp/hub,boris-rea/hub,github/hub,dongjoon-hyun/hub,tomasv/hub,tomasv/hub,rlugojr/hub,pcorpet/hub,whilp/hub,dongjoon-hyun/hub,whilp/hub,cpick/hub