I would argue that the stacktrace woul tell you where and how the test is failing.
Here are the failures: dozen in the last few days...
http://logs.openstack.org/54/305554/3/check/gate-grenade-dsvm-heat/60cb6ac/console.html#_2016-05-04_06_12_45_561
http://logs.openstack.org/39/311039/2/check/gate-grenade-dsvm-heat/75224d4/console.html#_2016-05-04_15_03_13_154
I would argue that the stacktrace woul tell you where and how the test is failing.
Here are the failures: dozen in the last few days...
http:// logs.openstack. org/54/ 305554/ 3/check/ gate-grenade- dsvm-heat/ 60cb6ac/ console. html#_2016- 05-04_06_ 12_45_561
http:// logs.openstack. org/39/ 311039/ 2/check/ gate-grenade- dsvm-heat/ 75224d4/ console. html#_2016- 05-04_15_ 03_13_154