@Test
public void shouldOptionallyIncludeChildField() {

/		String expectedResult = "<order>\n<client>\n  <name>guilherme silveira</name>\n </client>  <price>15.0</price>\n  <comments>pack it nicely, please</comments>\n</order>";
	Order order = new Order(new Client("guilherme silveira", new Address("R. Vergueiro")), 15.0, "pack it nicely, please");
	serialization.from(order).include("client", "client.address").serialize();
	assertThat(result(), containsString("<street>R. Vergueiro</street>"));
}