Enable live migration unit test use instance object
Enable live migration unit test use instance object

test_post_live_migration_no_shared_storage_working_correctly is
still using instance dict, we should change it to using instance
object.

Related to blueprint compute-manager-objects-juno

Change-Id: I7709b32ebeef88eb9759d0275c3076091b6be669

berrange/nova,tianweizhang/nova,watonyweng/nova,vmturbo/nova,tealover/nova,felixma/nova,alaski/nova,vladikr/nova_drafts,rajalokan/nova,alexandrucoman/vbox-nova-driver,tangfeixiong/nova,shail2810/nova,hanlind/nova,Stavitsky/nova,BeyondTheClouds/nova,berrange/nova,Francis-Liu/animated-broccoli,mmnelemane/nova,tangfeixiong/nova,Juniper/nova,takeshineshiro/nova,saleemjaveds/https-github.com-openstack-nova,dawnpower/nova,rahulunair/nova,devendermishrajio/nova_test_latest,phenoxim/nova,klmitch/nova,scripnichenko/nova,ruslanloman/nova,double12gzh/nova,rajalokan/nova,badock/nova,TwinkleChawla/nova,eonpatapon/nova,BeyondTheClouds/nova,eonpatapon/nova,nikesh-mahalka/nova,whitepages/nova,vmturbo/nova,silenceli/nova,yatinkumbhare/openstack-nova,mmnelemane/nova,yosshy/nova,double12gzh/nova,virtualopensystems/nova,rahulunair/nova,thomasem/nova,raildo/nova,devendermishrajio/nova_test_latest,varunarya10/nova_test_latest,tudorvio/nova,viggates/nova,cloudbase/nova-virtualbox,JioCloud/nova,affo/nova,mikalstill/nova,Yusuke1987/openstack_template,MountainWei/nova,rajalokan/nova,dawnpower/nova,bgxavier/nova,cernops/nova,shail2810/nova,Metaswitch/calico-nova,badock/nova,bigswitch/nova,scripnichenko/nova,j-carpentier/nova,redhat-openstack/nova,orbitfp7/nova,akash1808/nova,sebrandon1/nova,jeffrey4l/nova,CCI-MOC/nova,cloudbase/nova,BeyondTheClouds/nova,affo/nova,tudorvio/nova,cernops/nova,zhimin711/nova,tealover/nova,Juniper/nova,varunarya10/nova_test_latest,alvarolopez/nova,iuliat/nova,CloudServer/nova,jianghuaw/nova,viggates/nova,noironetworks/nova,cyx1231st/nova,CEG-FYP-OpenStack/scheduler,mandeepdhami/nova,belmiromoreira/nova,maelnor/nova,phenoxim/nova,zaina/nova,cyx1231st/nova,apporc/nova,klmitch/nova,redhat-openstack/nova,barnsnake351/nova,NeCTAR-RC/nova,j-carpentier/nova,belmiromoreira/nova,mandeepdhami/nova,whitepages/nova,felixma/nova,isyippee/nova,silenceli/nova,akash1808/nova,openstack/nova,NeCTAR-RC/nova,jianghuaw/nova,vmturbo/nova,Yusuke1987/openstack_template,raildo/nova,zaina/nova,JioCloud/nova_test_latest,LoHChina/nova,CloudServer/nova,devendermishrajio/nova,iuliat/nova,akash1808/nova_test_latest,Juniper/nova,devendermishrajio/nova,isyippee/nova,klmitch/nova,gooddata/openstack-nova,cloudbase/nova,jianghuaw/nova,adelina-t/nova,eayunstack/nova,zzicewind/nova,projectcalico/calico-nova,petrutlucian94/nova,blueboxgroup/nova,hanlind/nova,ruslanloman/nova,alaski/nova,blueboxgroup/nova,eayunstack/nova,zzicewind/nova,thomasem/nova,ted-gould/nova,gooddata/openstack-nova,nikesh-mahalka/nova,mahak/nova,mahak/nova,alexandrucoman/vbox-nova-driver,openstack/nova,jianghuaw/nova,vmturbo/nova,akash1808/nova_test_latest,Juniper/nova,Tehsmash/nova,CEG-FYP-OpenStack/scheduler,MountainWei/nova,joker946/nova,mikalstill/nova,mikalstill/nova,edulramirez/nova,fnordahl/nova,JianyuWang/nova,ted-gould/nova,cernops/nova,maelnor/nova,saleemjaveds/https-github.com-openstack-nova,takeshineshiro/nova,kimjaejoong/nova,yatinkumbhare/openstack-nova,Metaswitch/calico-nova,Tehsmash/nova,dims/nova,barnsnake351/nova,cloudbase/nova,dims/nova,LoHChina/nova,Francis-Liu/animated-broccoli,gooddata/openstack-nova,sebrandon1/nova,yosshy/nova,petrutlucian94/nova,angdraug/nova,openstack/nova,virtualopensystems/nova,jeffrey4l/nova,Stavitsky/nova,adelina-t/nova,JianyuWang/nova,noironetworks/nova,sebrandon1/nova,cloudbase/nova-virtualbox,orbitfp7/nova,kimjaejoong/nova,CCI-MOC/nova,JioCloud/nova,JioCloud/nova_test_latest,hanlind/nova,bgxavier/nova,joker946/nova,edulramirez/nova,rajalokan/nova,mgagne/nova,mgagne/nova,apporc/nova,projectcalico/calico-nova,angdraug/nova,zhimin711/nova,vladikr/nova_drafts,rahulunair/nova,bigswitch/nova,gooddata/openstack-nova,alvarolopez/nova,mahak/nova,fnordahl/nova,TwinkleChawla/nova,watonyweng/nova,klmitch/nova,tianweizhang/nova