public void CorrectRequestForGetUser()
{
var factory = Substitute.For <IConnection>();
var client = new DatabasesClient(factory);
client.GetUser("1", "name");
var parameters = Arg.Is <List <Parameter> >(list => (string)list[0].Value == "1" && (string)list[1].Value == "name");
factory.Received().ExecuteRequest <DatabaseUser>("databases/{id}/users/{name}", parameters, null, "user");
}