public void ToSqlGeographyValidFeatureTest()
        {
            SqlGeography sqlFeature = feature.ToSqlGeography();

            Assert.IsNotNull(feature);
            Assert.IsNotNull(sqlFeature);
            Assert.AreEqual(sqlFeature.STGeometryType().Value, OpenGisGeometryType.Polygon.ToString());
            Assert.AreEqual(sqlFeature.STNumPoints().Value, polygon.Coordinates.SelectMany(ls => ls.Coordinates).Count());
        }