Codemap - Spouse - DOB and Marriage date, Disability date and Employment date comparison issue

Login: Partner/Employee
Page: spouse

Enter DOB is equal to Date of marriage
and enter date of marriage greater than Today's date

Actual result: Able to add spouse with such data(DOB = Date of marriage) and accepts date of marriage greater than date of birth.
Expected result: date of marriage should be less than today's date and greater than dob.Both date should not be same.

Note- same issue occured for comparison between DOB and date of employement and DOB and disability date.
Expected result: date of Employement should be less than today's date and greater than dob.Both date should not be same.
Disability date should be less than today's date and greater than dob.Both date should not be same.