@Test
public void testEquivalenceComplexDifferent()
{

    QuantileDigest a = new QuantileDigest(0.01);
    QuantileDigest b = new QuantileDigest(0.01);
    addAll(a, asList(0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7));
    addAll(b, asList(0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7, 8));
    assertFalse(a.equivalent(b));
}