public void CorrectRequestForMaintenance()
{
var factory = Substitute.For <IConnection>();
var client = new DatabasesClient(factory);
var maintenance = new Models.Requests.MaintenanceWindow();
client.Maintenance("1", maintenance);
var parameters = Arg.Is <List <Parameter> >(list => (string)list[0].Value == "1");
factory.Received().ExecuteRaw("databases/{id}/maintenance", parameters, maintenance, Method.POST);
}