public void When_response_status_code_match_then_should_perform_pass_through()
        {
            // Given
            var options = new NancyOptions();
            options.PassThroughWhenStatusCodesAre(HttpStatusCode.NotFound);
            var nancyContext = new NancyContext { Response = new Response {StatusCode = HttpStatusCode.NotFound} };

            // When
            bool passedThrough = options.PerformPassThrough(nancyContext);

            // Then
            passedThrough.ShouldBeTrue();
        }