context 'when a choice does not have txt' do
      it 'returns "Please make sure every question has text for all options"' do
        questions = { '1' => { txt: '', iscorrect: '1' }, '2' => { txt: '', iscorrect: '1' }, '3' => { txt: '', iscorrect: '0' }, '4' => { txt: '', iscorrect: '0' } }
        expect(multiple_choice_checkbox.isvalid(questions)).to eq('Please select a correct answer for all questions')