private Action <Action <Test.TestState> > ScheduleNotification(string creativeId, bool backgroundApp)
    {
        return((Action <Test.TestState> state) => {
            testDriver.StartCoroutine(TeakNotification.ScheduleNotification(creativeId, this.test.Name, 5, (TeakNotification.Reply reply) => {
                // if (reply.Notifications[0].ScheduleId == null)
                // {
                //     errorText = "ScheduleId was null";
                // }
                state(reply.Status == TeakNotification.Reply.ReplyStatus.Ok ? Test.TestState.Passed : Test.TestState.Failed);

                if (backgroundApp)
                {
                    Utils.BackgroundApp();
                }
            }));
        });
    }