Add missing directive to tox.ini.
Add missing directive to tox.ini.

Change-Id: Ib6d178af62f631de76e66c2bb6c07fd6b277fa97

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