tests: test-pathconflicts-merge.t requires symlinks
Once we're ready to turn this functionality on more widely, we might
want to write a symlink-free version of the test that can run on
Windows, but for now we'll just leave it disabled there.
Differential Revision: https://phab.mercurial-scm.org/D1710
#if no-windows no-osx
$ mkdir -p xdgconf/hg
$ echo '[ui]' > xdgconf/hg/hgrc
$ echo 'username = foobar' >> xdgconf/hg/hgrc
$ XDG_CONFIG_HOME="`pwd`/xdgconf" ; export XDG_CONFIG_HOME
$ unset HGRCPATH
$ hg config ui.username 2>/dev/null
foobar
#endif