@Test
public void shouldIncludeFieldsFromACollection() {

	Order order = new Order(new Client("guilherme silveira"), 15.0, "pack it nicely, please",
			new Item("name", 12.99));
	serialization.from(Arrays.asList(order, order), "orders").include("items").serialize();
	assertThat(result(), containsString("<items>"));
	assertThat(result(), containsString("<name>name</name>"));
	assertThat(result(), containsString("<price>12.99</price>"));
	assertThat(result(), containsString("</items>"));
}