Disambiguate duplicate t9160* tests

1e5814f created t9160-git-svn-mergeinfo-push.sh on 11/9/7
40a1530 created t9160-git-svn-preserve-empty-dirs.sh on 11/7/20
The former test script is renumbered to t9161.

Signed-off-by: Frédéric Heitzmann <frederic.heitzmann@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t9161-git-svn-mergeinfo-push.sh

@@ -10,7 +10,7 @@ test_description='git-svn svn mergeinfo propagation'
 
 test_expect_success 'load svn dump' "
 	svnadmin load -q '$rawsvnrepo' \
-	  < '$TEST_DIRECTORY/t9160/branches.dump' &&
+	  < '$TEST_DIRECTORY/t9161/branches.dump' &&
 	git svn init --minimize-url -R svnmerge \
 	  -T trunk -b branches '$svnrepo' &&
 	git svn fetch --all