public void add() {
        add(1L, defaultPosition);
    }
@Test
    final void testAddPoint() {
        final String metricName = "unitTestCounter";
        Point p = receiver.pointBuilder().set("x", 2L).set("y", 3.0d).set("z", "5").build();
        Counter c = receiver.declareCounter(metricName, p);
        c.add();
        Bucket b = receiver.getSnapshot();
        final Map<String, List<Entry<Point, UntypedMetric>>> valuesByMetricName = b.getValuesByMetricName();
        assertEquals(1, valuesByMetricName.size());
        List<Entry<Point, UntypedMetric>> x = valuesByMetricName.get(metricName);
        assertEquals(1, x.size());
        assertEquals(p, x.get(0).getKey());
        assertEquals(1, x.get(0).getValue().getCount());
    }