let(:questionnaire) { Questionnaire.new min_question_score: 0, max_question_score: 5 }
  let(:criterion) { Criterion.new id: 1, type: "Criterion", seq: 1.0, txt: "test txt", weight: 1, questionnaire: questionnaire }
  let(:answer) { Answer.new answer: 8 }

  describe "#edit" do