public void SearchDocumentsTest()
        {
            var locationData      = new LocationData(ConfigurationManager.AppSettings[ConfigurationKeys.BingMapsKey]);
            var searchServiceName = ConfigurationManager.AppSettings[ConfigurationKeys.SearchServiceName];
            var searchServiceKey  = ConfigurationManager.AppSettings[ConfigurationKeys.SearchServiceKey];
            var searchClient      = new SearchDocument(searchServiceName, searchServiceKey);
            var data          = locationData.GetBoundingBoxCoordinates("Delhi,India").Result;
            var searchResult  = searchClient.SearchDocuments <GpsSensorRecord>("*", SearchDocument.FilterTextForLocationBounds("geoCoordinates", data));
            var locationPoint = new LocationPoint {
                Latitude = 28.644979476928711, Longitude = 77.2164306640625
            };
            var searchByDistance = searchClient.SearchDocuments <GpsSensorRecord>("*", SearchDocument.FilterTextForDistanceFromPoint("geoCoordinates", locationPoint, 100));

            Assert.IsTrue(searchResult.Any());
            Assert.IsTrue(searchByDistance.Any());

            var dataUsa         = locationData.GetBoundingBoxCoordinates("Washington,USA").Result;
            var searchResultUsa = searchClient.SearchDocuments <GpsSensorRecord>("*", SearchDocument.FilterTextForLocationBounds("geoCoordinates", dataUsa));

            Assert.IsTrue(searchResultUsa.Any());
        }