private void Start()
{
_taskRunner = GetComponent <TaskRunner>();
_taskRunner.Enqueue("task1", RunningLongLastingTasks, OnTaskCompletedInMainThread);
_taskRunner.Enqueue("task2", RunningLongLastingTasks, OnTaskCompletedInMainThread);
_taskRunner.Enqueue("task3", RunningLongLastingTasks, OnTaskCompletedInMainThread);
}