Pin rabbit and mysql to major version for fixtures
Pin rabbit and mysql to major version for fixtures

Previously, unit tests were using master for testing.

This commit changes them to use the newly created major version
branches. This allows us to backport bug fixes while we wait for
upstream to stabilize.

Change-Id: I1b476a99e3fc5a5624cc7ebe7c776e3e9058ec3b

gwdg/puppet-glance,varunarya10/puppet-glance,aquto/puppet-glance,TelekomCloud/puppet-glance,TelekomCloud/puppet-glance,varunarya10/puppet-glance,aquto/puppet-glance,gwdg/puppet-glance