Null values are counted in remote queries with aggregations

        [Test]
        public void CountTest()
        {
            IRemoteCache<int, User> userCache = remoteManager.GetCache<int, User>(NAMED_CACHE);
            QueryRequest qr = new QueryRequest();
            qr.QueryString = "select u.name, count(u.age) from sample_bank_account.User u group by u.name";
            QueryResponse result = userCache.Query(qr);

            List<Object[]> projections = RemoteQueryUtils.unwrapWithProjection(result);

            Assert.AreEqual(2, projections.Count);
            Assert.AreEqual("John" ,projections.ElementAt(0)[0]);
            Assert.AreEqual(1, projections.ElementAt(0)[1]);
            Assert.AreEqual("Spider", projections.ElementAt(1)[0]);
            Assert.AreEqual(0, projections.ElementAt(1)[1]);
            //^^^^fails here where it returns 2 even though age was not set for Spiders
        }

      /*
     @Field(store = Store.YES, indexNullAs = "-1")
      */
     optional int32 age = 6;