Updated openstack/openstack
Project: openstack/sahara  79310401e474e2d58a6a9a14b66ca73c06944cc5

Add test for DB schema comparison

It allows to check if the DB schema obtained by applying
of migration scripts is equal to the one produced from
models definitions.

Change-Id: I08a95cbc19f05b802fe80d235bb8c17db5166541