def test_uniqueness
existing = create(:old_way_tag)
- tag = OldWayTag.new
+ tag = build(:old_way_tag, :old_way => existing.old_way, :version => existing.version, :k => existing.k, :v => existing.v)
tag.way_id = existing.way_id
tag.version = existing.version
tag.k = existing.k