context "when invalid_advice? is called with question advice score < min score of questionnaire" do
      # min score of advice = 0 (!=1)
      let(:questionAdvice1) {build(:question_advice, id:1, score: 0, question_id: 1, advice: "Advice1")}
      let(:questionAdvice2) {build(:question_advice, id:2, score: 2, question_id: 1, advice: "Advice2")}
      let(:questionnaire) do