public void Add_customer()
        {
            //Arrange
            _mockProviderService
            .Given("There is a service")
            .UponReceiving("A POST request to create a customer")
            .With(new ProviderServiceRequest
            {
                Method  = HttpVerb.Post,
                Path    = "/customers",
                Query   = "",
                Headers = new Dictionary <string, object>
                {
                    { "Content-Type", "application/json; charset=utf-8" }
                },
                Body = new Customer
                {
                    Firstname = "richard",
                    Surname   = "parkins"
                }
            })
            .WillRespondWith(new ProviderServiceResponse
            {
                Status  = 201,
                Headers = new Dictionary <string, object>
                {
                    { "Content-Type", "application/json; charset=utf-8" },
                    { "Location", "http://localhost:5000/customers/richard-parkins" }
                },
                Body = new Customer
                {
                    Id        = "richard-parkins",
                    Firstname = "richard",
                    Surname   = "parkins"
                }
            });

            var consumer = new PactConsumer(_mockProviderServiceBaseUri);

            //Act
            var result = consumer.CreateUser("richard", "parkins").Result;

            //Assert
            Assert.EndsWith("/customers/richard-parkins", result.ToString());

            _mockProviderService.VerifyInteractions();
        }