core : DAO Tests fail because of fk_vm_static_quota

A new foreign key constraint added to
vm_static table fk_vm_static_quota requires
tests to have a existing quota id and
also requires that the quota table be
populated before inserting data into
vm_static table

Change-Id: Ia15cd17950c7b5aa082452a9014ec67ffa0da0da
Bug-Url: https://bugzilla.redhat.com/1003839
Signed-off-by: Ravi Nori <rnori@redhat.com>