public void TestConstantQueryWithQueryFilter()
{
var termQuery = new TermQuery("gender", "true");
var queryFilter = new QueryFilter(termQuery);
var constanFilter = new ConstantScoreQuery(queryFilter);
var result2 = client.Search(index, "type" , constanFilter, 0, 5);
Assert.AreEqual(50, result2.GetTotalCount());
Assert.AreEqual(5, result2.GetHits().Hits.Count);
}