Fix failing network manager unit tests
Fix failing network manager unit tests

* Instance uuid was not returned by the mocked methods of some
  network manager unit tests causing them to fail with KeyError.

Fixes bug #1204810

Change-Id: Iee04872ea954c2c59b1bf24e7cb0058c59ae8a84

alvarolopez/nova,spring-week-topos/nova-week,klmitch/nova,berrange/nova,mikalstill/nova,CCI-MOC/nova,j-carpentier/nova,klmitch/nova,akash1808/nova,shahar-stratoscale/nova,devendermishrajio/nova,phenoxim/nova,varunarya10/nova_test_latest,tanglei528/nova,CloudServer/nova,tangfeixiong/nova,vmturbo/nova,openstack/nova,tealover/nova,Tehsmash/nova,TwinkleChawla/nova,affo/nova,CEG-FYP-OpenStack/scheduler,NeCTAR-RC/nova,devoid/nova,akash1808/nova,zaina/nova,eayunstack/nova,klmitch/nova,rajalokan/nova,raildo/nova,luogangyi/bcec-nova,raildo/nova,mandeepdhami/nova,alexandrucoman/vbox-nova-driver,dims/nova,mahak/nova,eayunstack/nova,CiscoSystems/nova,TieWei/nova,noironetworks/nova,jianghuaw/nova,rrader/nova-docker-plugin,projectcalico/calico-nova,petrutlucian94/nova_dev,eharney/nova,cloudbase/nova-virtualbox,rickerc/nova_audit,angdraug/nova,nikesh-mahalka/nova,mahak/nova,Yuriy-Leonov/nova,bclau/nova,Tehsmash/nova,apporc/nova,yosshy/nova,barnsnake351/nova,eonpatapon/nova,hanlind/nova,iuliat/nova,petrutlucian94/nova,TieWei/nova,scripnichenko/nova,bgxavier/nova,sacharya/nova,mahak/nova,varunarya10/nova_test_latest,barnsnake351/nova,Yusuke1987/openstack_template,zzicewind/nova,badock/nova,hanlind/nova,CEG-FYP-OpenStack/scheduler,double12gzh/nova,joker946/nova,BeyondTheClouds/nova,MountainWei/nova,BeyondTheClouds/nova,silenceli/nova,plumgrid/plumgrid-nova,leilihh/novaha,sebrandon1/nova,bigswitch/nova,maelnor/nova,leilihh/novaha,apporc/nova,mikalstill/nova,mikalstill/nova,scripnichenko/nova,eonpatapon/nova,felixma/nova,redhat-openstack/nova,zhimin711/nova,tianweizhang/nova,yatinkumbhare/openstack-nova,virtualopensystems/nova,orbitfp7/nova,BeyondTheClouds/nova,JioCloud/nova,shahar-stratoscale/nova,phenoxim/nova,rickerc/nova_audit,rahulunair/nova,NeCTAR-RC/nova,ewindisch/nova,takeshineshiro/nova,Juniper/nova,klmitch/nova,mgagne/nova,sebrandon1/nova,cloudbase/nova,petrutlucian94/nova_dev,redhat-openstack/nova,maelnor/nova,Yusuke1987/openstack_template,whitepages/nova,gooddata/openstack-nova,JioCloud/nova_test_latest,JianyuWang/nova,fnordahl/nova,adelina-t/nova,rahulunair/nova,rajalokan/nova,ntt-sic/nova,Francis-Liu/animated-broccoli,watonyweng/nova,openstack/nova,imsplitbit/nova,gooddata/openstack-nova,jianghuaw/nova,edulramirez/nova,tianweizhang/nova,tanglei528/nova,OpenAcademy-OpenStack/nova-scheduler,rrader/nova-docker-plugin,Juniper/nova,OpenAcademy-OpenStack/nova-scheduler,isyippee/nova,adelina-t/nova,cloudbase/nova,ewindisch/nova,bclau/nova,kimjaejoong/nova,whitepages/nova,takeshineshiro/nova,Stavitsky/nova,leilihh/nova,vmturbo/nova,ted-gould/nova,sacharya/nova,blueboxgroup/nova,zaina/nova,tudorvio/nova,citrix-openstack-build/nova,Francis-Liu/animated-broccoli,rahulunair/nova,bigswitch/nova,devendermishrajio/nova,bgxavier/nova,openstack/nova,jianghuaw/nova,saleemjaveds/https-github.com-openstack-nova,hanlind/nova,blueboxgroup/nova,cloudbase/nova,kimjaejoong/nova,cloudbau/nova,Metaswitch/calico-nova,ruslanloman/nova,leilihh/nova,imsplitbit/nova,rajalokan/nova,viggates/nova,mandeepdhami/nova,devoid/nova,SUSE-Cloud/nova,tudorvio/nova,thomasem/nova,virtualopensystems/nova,nikesh-mahalka/nova,cloudbase/nova-virtualbox,spring-week-topos/nova-week,saleemjaveds/https-github.com-openstack-nova,double12gzh/nova,orbitfp7/nova,cernops/nova,belmiromoreira/nova,petrutlucian94/nova,badock/nova,noironetworks/nova,JioCloud/nova_test_latest,thomasem/nova,CCI-MOC/nova,tangfeixiong/nova,shail2810/nova,jeffrey4l/nova,devendermishrajio/nova_test_latest,dawnpower/nova,alaski/nova,CloudServer/nova,LoHChina/nova,edulramirez/nova,akash1808/nova_test_latest,plumgrid/plumgrid-nova,gooddata/openstack-nova,yosshy/nova,ted-gould/nova,gooddata/openstack-nova,cyx1231st/nova,cernops/nova,cernops/nova,watonyweng/nova,Juniper/nova,Yuriy-Leonov/nova,Stavitsky/nova,SUSE-Cloud/nova,viggates/nova,zzicewind/nova,tealover/nova,isyippee/nova,zhimin711/nova,sebrandon1/nova,mgagne/nova,j-carpentier/nova,Juniper/nova,vmturbo/nova,alexandrucoman/vbox-nova-driver,iuliat/nova,alvarolopez/nova,Metaswitch/calico-nova,vladikr/nova_drafts,shail2810/nova,citrix-openstack-build/nova,fnordahl/nova,mmnelemane/nova,jeffrey4l/nova,TwinkleChawla/nova,mmnelemane/nova,berrange/nova,LoHChina/nova,vladikr/nova_drafts,CiscoSystems/nova,cyx1231st/nova,alaski/nova,ntt-sic/nova,felixma/nova,affo/nova,belmiromoreira/nova,cloudbau/nova,JioCloud/nova,silenceli/nova,rajalokan/nova,joker946/nova,akash1808/nova_test_latest,JianyuWang/nova,devendermishrajio/nova_test_latest,MountainWei/nova,dawnpower/nova,vmturbo/nova,jianghuaw/nova,dims/nova,projectcalico/calico-nova,angdraug/nova,luogangyi/bcec-nova,eharney/nova,yatinkumbhare/openstack-nova,ruslanloman/nova