@Test
public void shouldOptionallyExcludeFields() {

	String expectedResult = "{\"order\": {\"comments\": \"pack it nicely, please\"}}";
	Order order = new Order(new Client("guilherme silveira"), 15.0, "pack it nicely, please");
	serialization.from(order).exclude("price").serialize();
	assertThat(result(), is(equalTo(expectedResult)));
}