ConditionalTask.addDependentTask(Task t) adds t in the wrong place

/**
* Add a dependent task on the current conditional task. The task will not be a direct child of
* conditional task. Actually it will be added as child task of associated tasks.
*
* @return true if the task got added false if it already existed
*/
@Override
public boolean addDependentTask(Task<? extends Serializable> dependent) {
  boolean ret = false;
  if (getListTasks() != null) {
    ret = true;
    for (Task<? extends Serializable> tsk : getListTasks()) {
      ret = ret & tsk.addDependentTask(dependent);
    }
  }
  return ret;
}

    CondTask
      |--A
         |--A1
            |-A2
      |--B
         |--B1
      |--C
        |--C1