+ changeset = create(:changeset, :num_changes => 1, :min_lat => 5 * GeoRecord::SCALE, :min_lon => 5 * GeoRecord::SCALE, :max_lat => 5 * GeoRecord::SCALE, :max_lon => 5 * GeoRecord::SCALE)
+ closed_changeset = create(:changeset, :closed, :num_changes => 1, :min_lat => 5 * GeoRecord::SCALE, :min_lon => 5 * GeoRecord::SCALE, :max_lat => 5 * GeoRecord::SCALE, :max_lon => 5 * GeoRecord::SCALE)
+ _elsewhere_changeset = create(:changeset, :num_changes => 1, :min_lat => -5 * GeoRecord::SCALE, :min_lon => -5 * GeoRecord::SCALE, :max_lat => -5 * GeoRecord::SCALE, :max_lon => -5 * GeoRecord::SCALE)
+ _empty_changeset = create(:changeset, :num_changes => 0, :min_lat => -5 * GeoRecord::SCALE, :min_lon => -5 * GeoRecord::SCALE, :max_lat => -5 * GeoRecord::SCALE, :max_lon => -5 * GeoRecord::SCALE)
+