Change the license expiry date to be displayed in the popup

GCP-10173

Reviewer: Jaira Villarino
Cleanup of code, fix the curly braces position and the else if position to be beside the curly brace

GCP-10173

Reviewer: Jaira Villarino
Change the qualifier to the protected for the getCutOffDate function

GCP-10173

Reviewer: Jaira Villarino
Added unit testing to check the validity of the cut off date

GCP-10173

Reviewer: Jaira Villarino