public async Task ApiCheckNewPostCanBeAddedIntoTheSystem(int userId, string title, string body) { const int newPostId = 101; var testPost = new PostDTO { UserId = userId, Title = title, Body = body }; var createdResponseMessage = await _restClient.PostAsync(Routes.Posts, testPost); var notFoundResponseMessage = await _restClient.GetResponseAsync($"{Routes.Posts}/{newPostId}"); Assert.That(createdResponseMessage.StatusCode, Is.EqualTo(HttpStatusCode.Created)); Assert.That(notFoundResponseMessage.StatusCode, Is.EqualTo(HttpStatusCode.NotFound)); }