Add run of OSTf after failover

To be sure that recovery was success
ad invocation of OSTF after failover
for tests:
* destroy controllers
* disconnect controllers
* mysql termination
* haproxy termination

Change-Id: I7fc5c53394cb20ca3ff57100b8d18938d598bd35
Related-Bug: #1311722
Merge "Add run of OSTf after failover"