context "when invalid_advice? is called with question advice score > max score of questionnaire" do
      # max score of advice = 3 (!=2)
      let(:questionAdvice1) {build(:question_advice, id:1, score: 1, question_id: 1, advice: "Advice1")}
      let(:questionAdvice2) {build(:question_advice, id:2, score: 3, question_id: 1, advice: "Advice2")}
      let(:questionnaire) do