class QuotaClassesPolicyEnforcementV21(test.NoDBTestCase): is a NoDBTestCase so it shouldn't be accessing the database at all.
I have no problem running that test on it's own:
http://paste.openstack.org/show/473910/
Remember that RAX has out of tree things for quota classes, so maybe you're just hitting failures because of forks in the RAX version of nova's quota classes.
class QuotaClassesPol icyEnforcementV 21(test. NoDBTestCase) : is a NoDBTestCase so it shouldn't be accessing the database at all.
I have no problem running that test on it's own:
http:// paste.openstack .org/show/ 473910/
Remember that RAX has out of tree things for quota classes, so maybe you're just hitting failures because of forks in the RAX version of nova's quota classes.