Fix intermittent person search spec fail
Fix intermittent person search spec fail

Two results had same edit distance when sorting the order was not
guaranteed. Changed spec to reflect this.

ministryofjustice/peoplefinder,ministryofjustice/peoplefinder,ministryofjustice/peoplefinder,ministryofjustice/peoplefinder,ministryofjustice/peoplefinder