public void FilterGeoDistance_SetsCorrectTypeAndCoords()
{
var center = (59.9277542, 10.7190847);
var service = _service.FilterGeoDistance(x => x.GeoPointProperty, "123km", center) as ElasticSearchService <ComplexType>;
Filter result = service.PostFilters.Single(f => f.FieldName == nameof(ComplexType.GeoPointProperty));
var value = result.Value as GeoDistance;
Assert.True(result.Type == typeof(GeoPoint));
Assert.Equal("123km", value.Distance);
Assert.Equal(center.Item1, value.Point.Lat);
Assert.Equal(center.Item2, value.Point.Lon);
}