Testing count with random number of models

count_test

    it "returns correct number of submissions" do
      meet = FactoryGirl.create(:meet, :user_group => group)
      num = rand(10) #random number of submissions from 0 to 10
      num.times do
        FactoryGirl.create(:meet_submission, :meet => meet)
      end

      result = group.get_submission_count
      expect(result).to eq(num)
    end