System.Net.Http.OwinHttpMessageHandlerTests.Should_handle_form_data C# (CSharp) Méthode

        public async Task Should_handle_form_data()
        {
            HttpResponseMessage response = await _sut.PostAsync("http://sample.com/greeting",
                               new FormUrlEncodedContent(new List<KeyValuePair<string, string>>
                                                         {
                                                             new KeyValuePair<string, string>("Name", "Damian")
                                                         }));
            (await response.Content.ReadAsStringAsync()).ShouldBe("Hello Damian");
        }