Description :
============
It is seen that there are multiple bugs reported for SET PERSIST usage with
server variables. Hence, objective of filing this bug is to test SET PERSIST
with the server variables and evaluate that the behaviour is expected.

During the course of testing SET PERSIST option, all the bugs found will
be reported and in the end an automated MTR test will be written and pushed.

Reviewed by:
Anitha Gopi <anitha.gopi@oracle.com>
Bharathy Satish <bharathy.x.satish@oracle.com>