Brant Knudson 8c76fbe02d Use subunit-trace from tempest-lib
This makes the test output look like nova's, for consistency.

Change-Id: I24887521d5a3c7d768d77e07e40ab4468e77c9b9
2015-02-13 07:45:31 -06:00
..
2014-07-06 11:10:11 -05:00
2014-02-08 23:54:04 +08:00