Fix assertEqual arguments order(_ldap_tls_livetest, backend_kvs, etc)

assertEqual method's arguments should be in
('expected', 'actual') order.

Partial-Bug: #1277104

Change-Id: I48d2220ebd39d72de071a4644b75182941bb5f4f
Merge "Fix assertEqual arguments order(_ldap_tls_livetest, backend_kvs, etc)"