On early upgrades mr5.5->mr6.5 GTID was not reconfigured on
the very first upgraded node... It is a test to ensure we
have covered all the upgrade scenarios.
Change-Id: I40433f536402c52b582911fc18bd4021ed050bbf
(cherry picked from commit 1f7ebd90d0)
(cherry picked from commit 6b3856f331)