tests/unit/ryu/test_ryu_db: db failure
tests/unit/ryu/test_ryu_db: db failure

Fixes bug 1061408

The unit test of test_ryu_db fails when it is specified to run as follows.

$ ./run_tests.sh quantum.tests.unit.ryu.test_ryu_db
RyuDBTest
    test_ofp_server (quantum.tests.unit.ryu.test_ryu_db.RyuDBTest)ERROR

======================================================================
ERROR: test_ofp_server (quantum.tests.unit.ryu.test_ryu_db.RyuDBTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/quantum/tests/unit/ryu/test_ryu_db.py", line 30, in setUp
    options = {"sql_connection": cfg.CONF.DATABASE.sql_connection}
  File "/quantum/openstack/common/cfg.py", line 1039, in __getattr__
    return self._get(name)
  File "/quantum/openstack/common/cfg.py", line 1361, in _get
    value = self._substitute(self._do_get(name, group))
  File "/quantum/openstack/common/cfg.py", line 1377, in _do_get
    info = self._get_opt_info(name, group)
  File "/quantum/openstack/common/cfg.py", line 1470, in _get_opt_info
    raise NoSuchOptError(opt_name, group)
NoSuchOptError: no such option: DATABASE

----------------------------------------------------------------------
Ran 1 test in 0.001s

Change-Id: Ie639914c64e6fba10112a58efa7f363615d0c9fd

ntt-sic/neutron,netscaler/neutron,watonyweng/neutron,kaiweifan/vse-lbaas-plugin-poc,mandeepdhami/neutron,apporc/neutron,JioCloud/neutron,Brocade-OpenSource/OpenStack-DNRM-Neutron,leeseulstack/openstack,miyakz1192/neutron,vveerava/Openstack,noironetworks/neutron,kaiweifan/neutron,sasukeh/neutron,paninetworks/neutron,jerryz1982/neutron,oeeagle/quantum,yamahata/neutron,sajuptpm/neutron-ipam,vijayendrabvs/hap,netscaler/neutron,cloudbase/neutron,gkotton/neutron,adelina-t/neutron,SmartInfrastructures/neutron,wolverineav/neutron,yamt/neutron,wolverineav/neutron,ykaneko/neutron,cloudbase/neutron-virtualbox,citrix-openstack-build/neutron,ykaneko/quantum,javaos74/neutron,sebrandon1/neutron,adelina-t/neutron,Juniper/neutron,shahbazn/neutron,redhat-openstack/neutron,aristanetworks/arista-ovs-quantum,jerryz1982/neutron,liqin75/vse-vpnaas-plugin,openstack/neutron,igor-toga/local-snat,miyakz1192/neutron,kaiweifan/vse-lbaas-plugin-poc,Juniper/contrail-dev-neutron,Juniper/contrail-dev-neutron,mahak/neutron,cisco-openstack/neutron,gkotton/neutron,blueboxgroup/neutron,rossella/neutron,yamahata/tacker,silenci/neutron,citrix-openstack-build/neutron,JianyuWang/neutron,beagles/neutron_hacking,antonioUnina/neutron,yanheven/neutron,glove747/liberty-neutron,barnsnake351/neutron,yamahata/neutron,Comcast/neutron,vveerava/Openstack,CiscoSystems/neutron,SamYaple/neutron,gkotton/neutron,swdream/neutron,rdo-management/neutron,pnavarro/neutron,SmartInfrastructures/neutron,ykaneko/quantum,jacknjzhou/neutron,sajuptpm/neutron-ipam,beagles/neutron_hacking,Juniper/neutron,ykaneko/quantum,cernops/neutron,liqin75/vse-vpnaas-plugin,yuewko/neutron,leeseulstack/openstack,liqin75/vse-vpnaas-plugin,sasukeh/neutron,citrix-openstack-build/neutron,virtualopensystems/neutron,mmnelemane/neutron,bigswitch/neutron,takeshineshiro/neutron,chitr/neutron,vivekanand1101/neutron,Juniper/neutron,Metaswitch/calico-neutron,rossella/neutron,CiscoSystems/vespa,neoareslinux/neutron,yamt/neutron,vveerava/Openstack,sebrandon1/neutron,rickerc/neutron_audit,liqin75/vse-vpnaas-plugin,cisco-openstack/neutron,beagles/neutron_hacking,leeseuljeong/leeseulstack_neutron,vbannai/neutron,aristanetworks/neutron,virtualopensystems/neutron,tpaszkowski/quantum,tpaszkowski/quantum,Brocade-OpenSource/OpenStack-DNRM-Neutron,antonioUnina/neutron,Comcast/neutron,Brocade-OpenSource/OpenStack-DNRM-Neutron,kaiweifan/neutron,javaos74/neutron,cernops/neutron,vbannai/neutron,glove747/liberty-neutron,CiscoSystems/quantum,aristanetworks/neutron,ykaneko/neutron,yuewko/neutron,eonpatapon/neutron,mahak/neutron,ykaneko/neutron,kaiweifan/vse-lbaas-plugin-poc,vbannai/neutron,mattt416/neutron,dims/neutron,Stavitsky/neutron,rossella/neutron,mmnelemane/neutron,chitr/neutron,aristanetworks/arista-ovs-quantum,tpaszkowski/quantum,alexandrucoman/vbox-neutron-agent,wenhuizhang/neutron,mahak/neutron,CiscoSystems/quantum,mandeepdhami/neutron,yamt/neutron,igor-toga/local-snat,projectcalico/calico-neutron,armando-migliaccio/neutron,alexandrucoman/vbox-neutron-agent,asgard-lab/neutron,huntxu/neutron,blueboxgroup/neutron,paninetworks/neutron,redhat-openstack/neutron,watonyweng/neutron,NeCTAR-RC/neutron,klmitch/neutron,swdream/neutron,CiscoSystems/vespa,JioCloud/neutron,vijayendrabvs/ssl-neutron,MaximNevrov/neutron,leeseulstack/openstack,bgxavier/neutron,armando-migliaccio/neutron,Metaswitch/calico-neutron,rossella/neutron,jumpojoy/neutron,neoareslinux/neutron,suneeth51/neutron,silenci/neutron,rickerc/neutron_audit,wenhuizhang/neutron,shahbazn/neutron,CiscoSystems/neutron,rdo-management/neutron,ntt-sic/neutron,oeeagle/quantum,eayunstack/neutron,JianyuWang/neutron,zhhf/charging,yamahata/tacker,cloudbase/neutron,takeshineshiro/neutron,barnsnake351/neutron,magic0704/neutron,asgard-lab/neutron,zhhf/charging,blueboxgroup/neutron,apporc/neutron,vivekanand1101/neutron,projectcalico/calico-neutron,waltBB/neutron_read,kaiweifan/vse-lbaas-plugin-poc,leeseuljeong/leeseulstack_neutron,aristanetworks/arista-ovs-quantum,rickerc/neutron_audit,dhanunjaya/neutron,gopal1cloud/neutron,MaximNevrov/neutron,yamt/neutron,openstack/neutron,pnavarro/neutron,vijayendrabvs/hap,yamahata/tacker,suneeth51/neutron,openstack/neutron,infobloxopen/neutron,noironetworks/neutron,klmitch/neutron,bigswitch/neutron,bgxavier/neutron,kaiweifan/neutron,CiscoSystems/quantum,skyddv/neutron,gopal1cloud/neutron,tpaszkowski/quantum,sajuptpm/neutron-ipam,vijayendrabvs/ssl-neutron,Juniper/contrail-dev-neutron,infobloxopen/neutron,NeCTAR-RC/neutron,Stavitsky/neutron,vijayendrabvs/ssl-neutron,netscaler/neutron,yamahata/neutron,vijayendrabvs/hap,zhhf/charging,skyddv/neutron,aristanetworks/arista-ovs-quantum,ntt-sic/neutron,eayunstack/neutron,Comcast/neutron,jacknjzhou/neutron,dhanunjaya/neutron,leeseuljeong/leeseulstack_neutron,ykaneko/quantum,yanheven/neutron,CiscoSystems/vespa,armando-migliaccio/neutron,cloudbase/neutron-virtualbox,virtualopensystems/neutron,dims/neutron,CiscoSystems/neutron,jumpojoy/neutron,huntxu/neutron,waltBB/neutron_read,SamYaple/neutron,eonpatapon/neutron,armando-migliaccio/neutron,mattt416/neutron,magic0704/neutron