Enable: E713 test for membership should be ‘not in'
Enable: E713 test for membership should be ‘not in'

Change-Id: I96ff596c15e0b6d47f3d996f856c85187d66777c
Closes-Bug: #1398545

ekcs/congress,openstack/congress,ekcs/congress,ekcs/congress,ramineni/my_congress,ramineni/my_congress,ramineni/my_congress,ramineni/my_congress,openstack/congress,ekcs/congress