public void CorrectRequestForAddUser()
{
var factory = Substitute.For <IConnection>();
var client = new DatabasesClient(factory);
var user = new Models.Requests.DatabaseUser();
client.AddUser("1", user);
var parameters = Arg.Is <List <Parameter> >(list => (string)list[0].Value == "1");
factory.Received().ExecuteRequest <DatabaseUser>("databases/{id}/users", parameters, user, "user", Method.POST);
}