[MERGE] Remove noise from bzr selftest --list-only so that it is easier to use in scripts.

[Vincent Ladeuil]

>>>>> "robert" == Robert Collins <robert.collins at canonical.com> writes:

    robert> I have other patches in this area coming; your tweaks are a) wrong
    robert> (wouldn't pass tests)

Could be, they are sitting in my bzr.dev branch (where I run
tests less frequently) for quite some time :)

    robert> and b) will be unneeded shortly anyhow :).

Cool,

        Vincent