it "returns debates ordered by cached_votes_total" do
      debate1 =  create(:debate, cached_votes_total: 1, tag_list: "Sport")
      debate2 =  create(:debate, cached_votes_total: 5, tag_list: "Sport")
      debate3 =  create(:debate, cached_votes_total: 10, tag_list: "Sport")
      proposal = create(:proposal, tag_list: "Sport")