Test PHP headers with PHPUnit

Question

I\'m trying to use PHPunit to test a class that outputs some custom headers.

The problem is that on my machine this:

Answer 1

I had a more radical solution, in order to use $_SESSION inside my tested/included files. I edited one of the PHPUnit files at ../PHPUnit/Utils/Printer.php to have a "session_start();" before the command "print $buffer".

It worked for me like a charm. But I think "joonty" user's solution is the best of all up to now.