The world wouldn't end if the test broke on Tru64, though.
FWIW, HP drops support for Tru64 at the end of this year:
http://h30097.www3.hp.com/tru64roadmap.pdf
Of course, this doesn't directly imply Python should stop supporting
it--IIRC Python's OS/2 support outlasted IBM's support by many
years.
/arry