I9 - Employee - Application accept invalid Date Of Birth

Stage - LONG For HSPL
Credential - Joseph Hobson 300000198
mm/Test_123456
Step:-
1.Login to application using employee credential
2.Complete tour.
3.Now navigate to On Board > My Profile > I9-Form
4.Enter invalid Date Of Birth (Eg- Character or 13/12/2016)
5.Click on Save

Actual - Application accept the incorrect DOB

Expected - It should prompt alert message

CC- Swapnil Pandhare