zheng yin f88e7fc0da Clarify test case in common/ring/test_builder
They use a bare assertRaises(ValueError, ring.RingBuilder, *,*,*), but
it's not clear which one raises which ValueError(), so I extend them to
validate the error strings as well.

Change-Id: I63280a9fc47ff678fe143e635046a0b402fd4506
2016-08-29 17:20:48 +00:00
..
2010-07-12 17:03:45 -05:00