@Test
public void testVerifyAggregationsMultiLevelMissingVal() throws Exception
{
List<AggregatorFactory> aggFactories = Arrays.<AggregatorFactory>asList(
new CountAggregatorFactory("count"),
new DoubleSumAggregatorFactory("idx", "index"),
new DoubleSumAggregatorFactory("rev", "revenue")
);
List<PostAggregator> postAggs = Arrays.<PostAggregator>asList(