Fix the order of assertEqual arguments(keystoneclient, kvs, etc)

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

Change-Id: Ic429c9264a823c3b03ca3b5c898b4aeb96891504
Partial-Bug: #1277104
Enable concurrent testing by default

Enable concurrent testing by default, 1 worker per available core.

Change-Id: I552bca32d953833a48fcf70ccc0daaf50e2aa09a
Merge "Fix the order of assertEqual arguments(keystoneclient, kvs, etc)"
Merge "Enable concurrent testing by default"