Update to pg-upgrade output
Update to pg-upgrade output

Changing output based on the presence or absence of a version to upgrade
to
* Move test for a version to upgrade to earlier. Previously we were
checking if an instance had already been upgraded, before we confirmed
there was something to upgrade to.

* Change test to not use the progress_message method. This isn't an OK
Not OK test, it only controls workflow.

gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab