code: def test_train_dataloader(fridge_ds):
      train_ds, _ = fridge_ds
      train_dl = models.ultralytics.yolov5.train_dl(
          train_ds, batch_size=3, num_workers=0, shuffle=False
      )
      (x, y), records = first(train_dl)
  
      _test_dl(x, y, records)
  
imports: import pytest
  from icevision.all import *
label_desc: Use image node_id 2 for calling a global function with example usage: test_train_dataloader(fridge_ds) without return types