Luckily, that's not, nor likely ever will be, an issue for me. My dogs (and cats, for that matter) are always pets, never for breeding. They're always neutered or spayed and they MUST get along. Before a new family member comes home, we take our current dog along for a meet-and-greet, first. The shelter staff has always done an amazing job of pre-screening, so we've never been disappointed. Everyone we've "visited" has come home and stayed!
