Enable tempest testing of ceilometer
Enable tempest testing of ceilometer

This patch enables tempest testing of ceilometer in the gate
check.

Change-Id: Ic1e432f004dc8060f8d8a83521ce9c4c60e9abf7
Closes-Bug: #1481822

yanyao/openstack-deployment-liberty,mancdaz/openstack-ansible,major/openstack-ansible,shane-c/openstack-ansible,open-switch/infra_openstack-ansible,achekunov/openstack-ansible,jpmontez/os-ansible-deployment,git-harry/os-ansible-deployment,yanyao/openstack-ansible,AlphaStaxLLC/os-ansible-deployment,jpmontez/openstack-ansible,stackforge/os-ansible-deployment,Logan2211/openstack-ansible,BjoernT/os-ansible-deployment,shane-c/openstack-ansible,openstack/openstack-ansible,mrda/openstack-ansible,major/openstack-ansible,BjoernT/openstack-ansible,AlphaStaxLLC/os-ansible-deployment,yanyao/newton,git-harry/os-ansible-deployment,jpmontez/openstack-ansible,yanyao/openstack-ansible,weezer/openstack-ansible,cloudnull/os-ansible-deployment,major/os-ansible-deployment,os-cloud/os-ansible-deployment,cloudnull/os-ansible-deployment,BjoernT/os-ansible-deployment,bunchc/openstack-ansible,jpmontez/os-ansible-deployment,open-switch/infra_openstack-ansible,git-harry/os-ansible-deployment,BjoernT/os-ansible-deployment,manuelfelipe/openstack-ansible,cfarquhar/openstack-ansible,yanyao/openstack-deployment-liberty,achekunov/openstack-ansible,antonym/openstack-ansible,jpmontez/os-ansible-deployment,antonym/openstack-ansible,open-switch/infra_openstack-ansible,yanyao/openstack-deployment-liberty,manuelfelipe/openstack-ansible,robb-romans/openstack-ansible,yanyao/newton,robb-romans/openstack-ansible,bunchc/openstack-ansible,mancdaz/openstack-ansible,BjoernT/openstack-ansible,mrda/openstack-ansible,Logan2211/openstack-ansible,achekunov/openstack-ansible,mrda/openstack-ansible,cfarquhar/openstack-ansible,sti-jans/openstack-ansible,sti-jans/openstack-ansible,weezer/openstack-ansible,sti-jans/openstack-ansible,major/os-ansible-deployment,jpmontez/openstack-ansible,openstack/openstack-ansible,antonym/openstack-ansible,AlphaStaxLLC/os-ansible-deployment,os-cloud/os-ansible-deployment,stackforge/os-ansible-deployment,shane-c/openstack-ansible,manuelfelipe/openstack-ansible