test_compute stubs same thing multiple times
test_compute stubs same thing multiple times

Cleans up test_compute stubbing of network API's get_instance_nw_info

Change-Id: I70126220343fade4b4cba40d9a4e22b4567cfa35

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