it('range starts and ends outside of the month', (done) => {
      // Target month is November (zero-based). Range starts in October and runs into December
      const result = utils.findWorkdaysInRange(createStartDate(2015, 10, 15), createEndDate(2015, 12, 5), utils.createMonthRange(10, 2015));

      expect(result).to.equal(21);