public void test() {
    InputStream is = getClass().getResourceAsStream("/describe_securitygroups.xml");

    IterableWithMarker<SecurityGroup> expected = expected();

    DescribeDBSecurityGroupsResultHandler handler =
        injector.getInstance(DescribeDBSecurityGroupsResultHandler.class);
    IterableWithMarker<SecurityGroup> result = factory.create(handler).parse(is);

    assertEquals(result.toString(), expected.toString());
  }