@Test
public void prettyPrint() {

    HouseId hid;
    hid = new HouseId("74020749965");
    assertEquals("pretty print should work", "7402-074996-5", hid.prettyPrint());
    hid = new HouseId("7402074");
    assertEquals("pretty print should work with not complete id", "7402-074", hid.prettyPrint());
    hid = new HouseId("7402");
    assertEquals("pretty print should work with not complete id", "7402", hid.prettyPrint());
    hid = new HouseId("7402074996");
    assertEquals("pretty print should work with not complete id", "7402-074996", hid.prettyPrint());
}