public void mergingRawsIntoStructuredShouldUpdateLatestStructuredConfig() throws Exception {
final Configuration config = new Configuration();
config.put(new PropertySimple("x", "0"));
config.put(new PropertySimple("z", "3"));
final RawConfiguration raw1 = createRawConfiguration("/tmp/foo.txt");
config.addRawConfiguration(raw1);
final RawConfiguration raw2 = createRawConfiguration("/tmp/bar.txt");
config.addRawConfiguration(raw2);
final Configuration latestStructured = new Configuration();
latestStructured.put(new PropertySimple("x", "1"));
latestStructured.put(new PropertySimple("y", "1"));