NULLs don't show clearly on test outputs

[steve-chavez]

Problem

By default NULLs show as blank on the test outputs, see:

postgres/nix/tests/expected/pgbouncer.out

Lines 74 to 78 in edaca40

	select pgbouncer.get_auth('test_expired_user_password');
	get_auth
	-------------------------------
	(test_expired_user_password,)
	(1 row)

This makes the NULL results not obvious at first sight.

Solution

Try adding an option like \pset null '<null>' so results show like:

           get_auth            
-------------------------------
 (test_expired_user_password,<null>)