Fix assertEqual arguments order(auth_plugin, backend, backend_sql, etc)

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

Change-Id: I111c9caf415fa5d03f2e06785c01316bd6a7617e
Partial-Bug: #1277104
Updated from global requirements

Change-Id: I178efda1d4cb8ea520c7d38df79bbb3b36b47200
Merge "Updated from global requirements"
Merge "Fix assertEqual arguments order(auth_plugin, backend, backend_sql, etc)"