version and build id
> ./firefox-ui-update --installer %Firefox38.0b8% \> --update-target-version=38.0b9 --update-target-buildid=20150429135941.
Even if the tests pass without those options defined, it does not mean that
option above can also enable the beta channel via update-settings.ini.
> ./firefox-ui-update --installer %Firefox38.0% --update-target-version=39.0b1> --update-target-buildid=%whateveritwillbe%> --update-allow-mar-channel=firefox-mozilla-beta
= Archive - Failure modes =