tests/test-locale.t

dockerrpm: always use current user and group

Using uid 1000 and gid 1000 works by default in some cases,
but 'id -u' and 'id -g' should work in all cases.

Differential Revision: https://phab.mercurial-scm.org/D11767

  $ LANG=nonexistent LC_ALL=nonexistent LANGUAGE=nonexistent hg version -q
  Mercurial Distributed SCM (version *) (glob)