public void CorrectRequestForGetAction() {
            var factory = Substitute.For<IConnection>();
            var client = new ImageActionsClient(factory);

            client.GetAction(9001, 1009);

            var parameters = Arg.Is<List<Parameter>>(list => (int)list[0].Value == 9001 &&
                                                             (int)list[1].Value == 1009);
            factory.Received().ExecuteRequest<Models.Responses.Action>("images/{imageId}/actions/{actionId}", 
                parameters, null, "action");
        }