Stub rest service using Nancy

NancyTest.cs

using System;
using Nancy;
using Nancy.Hosting.Self;
using NUnit.Framework;
using RestSharp;

namespace NancyApp
{
    public class StubModule : NancyModule
    {
        public StubModule()
        {
            Get["/"] = _ => "{}";
            Post["/consumers/dev"] = _ => @"{
  ""base_uri"": ""http://192.168.50.2:8082/consumers/dev/instances/rest-consumer-1"",
  ""instance_id"": ""rest-consumer-1""
}";

            Post["/consumers/not-found/instances/not-found"] = _ => 
            {
                var r = (Response)@"{
  ""error_code"": 404,
  ""message"": ""HTTP 404 Not Found""
}";
                r.StatusCode = HttpStatusCode.NotFound;
                return r;
            }
                ;
            Get["/topics/status"] = _ => "status";
        }
    }

    [TestFixture()]
    public class NancyTest
    {
        private NancyHost _server;

        [SetUp]
        public void SetUp()
        {
            _server = new NancyHost(new Uri("http://localhost:8282"));
            _server.Start();
        }

        [TearDown]
        public void TearDown()
        {
            _server.Stop();
        }

        [Test()]
        public void Get_To_Base_Should_Return_Empty_Content()
        {
            var client = new RestClient("http://localhost:8282");
            var request = new RestRequest("/");
            var response = client.Execute(request);
            var content = response.Content;

            Assert.That(response.Content, Is.StringContaining("{}"));
        }

        [Test()]
        public void Create_Consumer_Should_Return_200()
        {
            var client = new RestClient("http://localhost:8282");
            var request = new RestRequest("/consumers/dev", Method.POST);
            var response = client.Execute(request);

            var content = response.Content;

            Assert.That(response.StatusCode, Is.EqualTo(System.Net.HttpStatusCode.OK));
            Assert.That(response.Content, Is.StringContaining("rest-consumer-1"));
        }

        [Test()]
        public void Create_Consumer_Should_Return_404_For_Not_Existing_Instance()
        {
            var client = new RestClient("http://localhost:8282");
            var request = new RestRequest("/consumers/not-found/instances/not-found", Method.POST);
            var response = client.Execute(request);

            var content = response.Content;

            Assert.That(response.StatusCode, Is.EqualTo(System.Net.HttpStatusCode.NotFound));
            Assert.That(response.Content, Is.StringContaining("HTTP 404 Not Found"));
        }
    }
}