Add a few missing tests regarding exception codes.
Add a few missing tests regarding exception codes.

Change-Id: I051f47555669af6a74fba058867a6ac2cff45a65

projectcalico/calico-nova,luogangyi/bcec-nova,maoy/zknova,houshengbo/nova_vmware_compute_driver,sridevikoushik31/nova,Francis-Liu/animated-broccoli,redhat-openstack/nova,NoBodyCam/TftpPxeBootBareMetal,barnsnake351/nova,kimjaejoong/nova,apporc/nova,devendermishrajio/nova_test_latest,rajalokan/nova,hanlind/nova,Triv90/Nova,saleemjaveds/https-github.com-openstack-nova,zhimin711/nova,rickerc/nova_audit,JioCloud/nova,petrutlucian94/nova_dev,double12gzh/nova,felixma/nova,tangfeixiong/nova,sileht/deb-openstack-nova,rahulunair/nova,thomasem/nova,mahak/nova,ewindisch/nova,JioCloud/nova,zaina/nova,Tehsmash/nova,rahulunair/nova,eneabio/nova,felixma/nova,Stavitsky/nova,saleemjaveds/https-github.com-openstack-nova,maheshp/novatest,dstroppa/openstack-smartos-nova-grizzly,qwefi/nova,Yusuke1987/openstack_template,tanglei528/nova,yatinkumbhare/openstack-nova,takeshineshiro/nova,tudorvio/nova,savi-dev/nova,sebrandon1/nova,devendermishrajio/nova_test_latest,usc-isi/extra-specs,imsplitbit/nova,eneabio/nova,affo/nova,edulramirez/nova,openstack/nova,rajalokan/nova,leilihh/nova,vladikr/nova_drafts,yosshy/nova,mandeepdhami/nova,BeyondTheClouds/nova,psiwczak/openstack,CloudServer/nova,NeCTAR-RC/nova,sacharya/nova,gspilio/nova,citrix-openstack-build/nova,vmturbo/nova,alvarolopez/nova,fnordahl/nova,isyippee/nova,j-carpentier/nova,maheshp/novatest,Juniper/nova,mikalstill/nova,tanglei528/nova,ewindisch/nova,shootstar/novatest,apporc/nova,whitepages/nova,fnordahl/nova,angdraug/nova,ntt-sic/nova,cloudbau/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,petrutlucian94/nova_dev,NewpTone/stacklab-nova,Francis-Liu/animated-broccoli,CiscoSystems/nova,mahak/nova,iuliat/nova,alexandrucoman/vbox-nova-driver,vmturbo/nova,gspilio/nova,dstroppa/openstack-smartos-nova-grizzly,bgxavier/nova,MountainWei/nova,rahulunair/nova,j-carpentier/nova,sebrandon1/nova,cloudbase/nova,Juniper/nova,jianghuaw/nova,mahak/nova,TieWei/nova,viggates/nova,DirectXMan12/nova-hacking,edulramirez/nova,sileht/deb-openstack-nova,NoBodyCam/TftpPxeBootBareMetal,yrobla/nova,aristanetworks/arista-ovs-nova,houshengbo/nova_vmware_compute_driver,devoid/nova,gooddata/openstack-nova,CEG-FYP-OpenStack/scheduler,tealover/nova,maoy/zknova,raildo/nova,alaski/nova,jianghuaw/nova,mmnelemane/nova,JianyuWang/nova,alaski/nova,alexandrucoman/vbox-nova-driver,affo/nova,belmiromoreira/nova,sridevikoushik31/openstack,LoHChina/nova,LoHChina/nova,scripnichenko/nova,NewpTone/stacklab-nova,Tehsmash/nova,imsplitbit/nova,takeshineshiro/nova,eonpatapon/nova,jianghuaw/nova,sridevikoushik31/nova,NoBodyCam/TftpPxeBootBareMetal,rickerc/nova_audit,vladikr/nova_drafts,Brocade-OpenSource/OpenStack-DNRM-Nova,double12gzh/nova,JianyuWang/nova,mikalstill/nova,yrobla/nova,cernops/nova,maoy/zknova,orbitfp7/nova,berrange/nova,devoid/nova,cloudbase/nova,mmnelemane/nova,yrobla/nova,barnsnake351/nova,Yuriy-Leonov/nova,BeyondTheClouds/nova,usc-isi/extra-specs,petrutlucian94/nova,aristanetworks/arista-ovs-nova,redhat-openstack/nova,qwefi/nova,DirectXMan12/nova-hacking,ntt-sic/nova,sridevikoushik31/nova,akash1808/nova_test_latest,bigswitch/nova,raildo/nova,sridevikoushik31/openstack,luogangyi/bcec-nova,joker946/nova,savi-dev/nova,CCI-MOC/nova,scripnichenko/nova,klmitch/nova,cernops/nova,gooddata/openstack-nova,usc-isi/nova,phenoxim/nova,iuliat/nova,TieWei/nova,JioCloud/nova_test_latest,MountainWei/nova,klmitch/nova,Juniper/nova,paulmathews/nova,badock/nova,mikalstill/nova,noironetworks/nova,shootstar/novatest,cyx1231st/nova,petrutlucian94/nova,paulmathews/nova,maheshp/novatest,sileht/deb-openstack-nova,zhimin711/nova,cloudbau/nova,kimjaejoong/nova,hanlind/nova,zzicewind/nova,cernops/nova,spring-week-topos/nova-week,dims/nova,virtualopensystems/nova,plumgrid/plumgrid-nova,blueboxgroup/nova,OpenAcademy-OpenStack/nova-scheduler,jianghuaw/nova,paulmathews/nova,aristanetworks/arista-ovs-nova,akash1808/nova,tealover/nova,virtualopensystems/nova,SUSE-Cloud/nova,tianweizhang/nova,citrix-openstack-build/nova,tianweizhang/nova,SUSE-Cloud/nova,badock/nova,Yuriy-Leonov/nova,savi-dev/nova,CCI-MOC/nova,tangfeixiong/nova,yosshy/nova,Metaswitch/calico-nova,jeffrey4l/nova,varunarya10/nova_test_latest,whitepages/nova,eayunstack/nova,devendermishrajio/nova,zzicewind/nova,rrader/nova-docker-plugin,tudorvio/nova,leilihh/novaha,akash1808/nova_test_latest,ruslanloman/nova,akash1808/nova,BeyondTheClouds/nova,Metaswitch/calico-nova,shail2810/nova,fajoy/nova,rajalokan/nova,rrader/nova-docker-plugin,blueboxgroup/nova,nikesh-mahalka/nova,usc-isi/nova,psiwczak/openstack,CiscoSystems/nova,silenceli/nova,Juniper/nova,openstack/nova,houshengbo/nova_vmware_compute_driver,ted-gould/nova,eneabio/nova,projectcalico/calico-nova,sridevikoushik31/openstack,vmturbo/nova,JioCloud/nova_test_latest,watonyweng/nova,adelina-t/nova,sridevikoushik31/nova,maelnor/nova,gooddata/openstack-nova,alvarolopez/nova,silenceli/nova,gooddata/openstack-nova,cyx1231st/nova,varunarya10/nova_test_latest,dawnpower/nova,klmitch/nova,Triv90/Nova,joker946/nova,leilihh/nova,phenoxim/nova,viggates/nova,OpenAcademy-OpenStack/nova-scheduler,berrange/nova,mgagne/nova,bclau/nova,psiwczak/openstack,sacharya/nova,bclau/nova,plumgrid/plumgrid-nova,fajoy/nova,klmitch/nova,NeCTAR-RC/nova,angdraug/nova,eayunstack/nova,ruslanloman/nova,TwinkleChawla/nova,gspilio/nova,rajalokan/nova,cloudbase/nova,mgagne/nova,eharney/nova,adelina-t/nova,zaina/nova,shail2810/nova,fajoy/nova,bigswitch/nova,vmturbo/nova,Triv90/Nova,nikesh-mahalka/nova,CEG-FYP-OpenStack/scheduler,bgxavier/nova,dstroppa/openstack-smartos-nova-grizzly,isyippee/nova,spring-week-topos/nova-week,cloudbase/nova-virtualbox,mandeepdhami/nova,jeffrey4l/nova,DirectXMan12/nova-hacking,josephsuh/extra-specs,shahar-stratoscale/nova,thomasem/nova,dims/nova,Stavitsky/nova,leilihh/novaha,usc-isi/extra-specs,eonpatapon/nova,usc-isi/nova,watonyweng/nova,NewpTone/stacklab-nova,shahar-stratoscale/nova,maelnor/nova,openstack/nova,josephsuh/extra-specs,TwinkleChawla/nova,josephsuh/extra-specs,eharney/nova,dawnpower/nova,CloudServer/nova,cloudbase/nova-virtualbox,ted-gould/nova,noironetworks/nova,belmiromoreira/nova,hanlind/nova,devendermishrajio/nova,yatinkumbhare/openstack-nova,Yusuke1987/openstack_template,orbitfp7/nova,sebrandon1/nova