tests: xml: fix truncated ruleset testfile

Give a new XML ruleset testfile. For some reason patchwork has truncated
the file?

This should have been fixed in (b7c39a7 test: xml: fix malformed ruleset
testfile).

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>