Improve the tests.

Calling norwegian fnr "National ID number" makes people input their id
numbers from their home country in addition to their passport numbers.

This text change hopefully makes it clearer for our non-norwegian
friends.

Andreas Ellewsen authored 3 years ago and Andreas Ellewsen committed 3 years ago

Refactors things to new syntax while not changing anything

- Passport Country now displays two letter code after
   selection.
- A heading has been added for identity information.
- An error message is now displayed if the user inputs both national id
   and passport information.

Resolves: GREG-120