@Test
public void testEquals() {

  Map<String, Value> columns3 = new HashMap<>(columns1);
  Map<String, Value> columns4 = new TreeMap<>(columns2);
  new EqualsTester()
      .addEqualityGroup(new SelectResult(ImmutableList.of(new Row(columns1), new Row(columns2))),
          new SelectResult(ImmutableList.of(new Row(columns3), new Row(columns4))))
      .testEquals();
}