System.Net.Http.AutoRedirectTests.On_redirect_retains_request_headers C# (CSharp) Method

        public async Task On_redirect_retains_request_headers(string header, string value)
        {
            using (var client = new HttpClient(_handler)
            {
                BaseAddress = new Uri("http://localhost")
            })
            {
                client.DefaultRequestHeaders.Add(header, value);
                var response = await client.GetAsync("/redirect-301-absolute");

                response.StatusCode.ShouldBe(HttpStatusCode.OK);
                response.RequestMessage.Headers.GetValues(header).ShouldBe(client.DefaultRequestHeaders.GetValues(header));
            }
        }