public void test() {
InputStream is = getClass().getResourceAsStream("/describe_instances.xml");
IterableWithMarker<Instance> expected = expected();
DescribeDBInstancesResultHandler handler = injector.getInstance(DescribeDBInstancesResultHandler.class);
IterableWithMarker<Instance> result = factory.create(handler).parse(is);
assertEquals(result.toString(), expected.toString());
}