@Test
public void refineTest() {

    EquitablePartitionRefiner refiner = new EquitablePartitionRefiner(makeExampleTable());
    Partition coarser = Partition.fromString("[0|1,2,3]");
    Partition finer = refiner.refine(coarser);
    Partition expected = Partition.fromString("[0|1,2|3]");
    Assert.assertEquals(expected, finer);
}