                 }
             }
 
+            //MARK: decrementYear
+
             describe("decrementYear") {
                 var currentYear: Int!
 

        describe("BirthdayViewModel") {
            let calendar = NSCalendar(calendarIdentifier: NSCalendarIdentifierGregorian)!

            describe("incrementDay") {
                context("day value is at bottom limit") {
                    it("increments day value") {

                }
            }

            //MARK: decrementMonth

            describe("decrementMonth") {
                context("month value is at bottom limit") {
                    it("sets month value to upper limit") {
