it('short range contains a weekend', (done) => {
      // Target month is December (zero-based).  12/11-12/14 === Friday-Monday
      const result = utils.findWorkdaysInRange(createStartDate(2015, 12, 11), createEndDate(2015, 12, 14), utils.createMonthRange(11, 2015));

      expect(result).to.equal(2);