code: def test_batch_delay_when_no_delay(self):
      self._test_batch_delay(epoch_delay=0, batch_in_epoch_delay=0)
  
file_path: poutyne/tests/framework/callbacks/test_delay.py
imports: import unittest
  from unittest import TestCase
  from unittest.mock import ANY, MagicMock, call
  import torch
  import torch.nn
  from poutyne import Callback, CallbackList, DelayCallback, Model
  from tests.framework.tools import some_data_generator
label_desc: Use image node_id 5 for calling the DelayCallbackTest obj's underlying member method code with example usage: obj.test_batch_delay_when_no_delay() without return types