admin.save();
assertNodeExists("/tmp/foo/old");
assertNodeMissing("/tmp/foo/new");
JcrPackage pack = packMgr.upload(getStream("testpackages/tmp_mode_merge.zip"), false);
pack.extract(getDefaultOptions());
assertNodeExists("/tmp/foo/old");
assertNodeExists("/tmp/foo/bar");
assertNodeExists("/tmp/foo/new");
assertProperty("/tmp/foo/bar/testProperty", "old");