it "does not take the price into account" do
        create(:budget_investment, :selected, heading: heading, price: 100, ballot_lines_count: 50)
        create(:budget_investment, :incompatible, heading: heading, price: 300, ballot_lines_count: 80)
        create(:budget_investment, :selected, heading: heading, price: 800, ballot_lines_count: 70)
        create(:budget_investment, :selected, heading: heading, price: 500, ballot_lines_count: 60)