Make test cases in test_test.py use NoDBTest
Make test cases in test_test.py use NoDBTest

they are not related to DB access, make them
inherit from NoDBTest.

Change-Id: I297c14359f1c20af03f4c9639b31987b8c9bad6e

Juniper/nova,phenoxim/nova,cloudbase/nova,cyx1231st/nova,bigswitch/nova,rajalokan/nova,rajalokan/nova,rahulunair/nova,rajalokan/nova,BeyondTheClouds/nova,jianghuaw/nova,gooddata/openstack-nova,vmturbo/nova,vmturbo/nova,cloudbase/nova,gooddata/openstack-nova,sebrandon1/nova,cernops/nova,sebrandon1/nova,vmturbo/nova,hanlind/nova,Juniper/nova,gooddata/openstack-nova,devendermishrajio/nova,fnordahl/nova,jianghuaw/nova,BeyondTheClouds/nova,Juniper/nova,klmitch/nova,NeCTAR-RC/nova,apporc/nova,openstack/nova,CEG-FYP-OpenStack/scheduler,cyx1231st/nova,zhimin711/nova,klmitch/nova,mikalstill/nova,alaski/nova,mahak/nova,hanlind/nova,cernops/nova,gooddata/openstack-nova,dims/nova,dims/nova,mikalstill/nova,openstack/nova,cernops/nova,devendermishrajio/nova,mikalstill/nova,fnordahl/nova,vmturbo/nova,alaski/nova,BeyondTheClouds/nova,rajalokan/nova,openstack/nova,klmitch/nova,NeCTAR-RC/nova,zhimin711/nova,sebrandon1/nova,mahak/nova,apporc/nova,cloudbase/nova,Juniper/nova,phenoxim/nova,hanlind/nova,mahak/nova,rahulunair/nova,jianghuaw/nova,rahulunair/nova,CEG-FYP-OpenStack/scheduler,klmitch/nova,bigswitch/nova,jianghuaw/nova