@Test
  public void convertsAddressCorrectly() {

    Address address = new Address();
    address.city = "New York";
    address.street = "Broadway";

    DBObject dbObject = new BasicDBObject();

    converter.write(address, dbObject);

    assertThat(dbObject.get("city").toString(), is("New York"));
    assertThat(dbObject.get("street").toString(), is("Broadway"));
  }