Fix tests

Author: pletcher

test/index-test.js

@@ -3,25 +3,25 @@
 describe('functions', () => {
   describe('happyHolidays', () => {
     it('returns "Happy holidays!"', () => {
-      expect(happyHolidays()).to.equal('Happy holidays!')
+      expect(happyHolidays()).toEqual('Happy holidays!')
     })
   })
 
   describe('happyHolidaysTo(name)', () => {
     it('returns "Happy holidays, ${name}!"', () => {
-      expect(happyHolidaysTo('you')).to.equal('Happy holidays, you!')
+      expect(happyHolidaysTo('you')).toEqual('Happy holidays, you!')
     })
   })
 
   describe('happyHolidayTo(holiday, name)', () => {
     it('returns "Happy ${holiday}, ${name}!"', () => {
-      expect(happyHolidayTo('Independence Day', 'you')).to.equal('Happy Independence Day, you!')
+      expect(happyHolidayTo('Independence Day', 'you')).toEqual('Happy Independence Day, you!')
     })
   })
 
   describe('holidayCountdown(holiday, days)', () => {
     it('returns "It\'s ${days} until ${holiday}!"', () => {
-      expect(holidayCountdown("Mother's Day", 20)).to.equal("It's 20 days until Mother's Day!")
+      expect(holidayCountdown("Mother's Day", 20)).toEqual("It's 20 days until Mother's Day!")
     })
   })
 })