code: def test_grouped_iterator_skip_remainder_batch(self):
      reference = [1, 2, 3, 4, 5, 6, 7, 8, 9]
      itr1 = _get_epoch_batch_itr(reference, 3, False)
      grouped_itr1 = iterators.GroupedIterator(itr1, 2, True)
      self.assertEqual(len(grouped_itr1), 1)
  
      itr2 = _get_epoch_batch_itr(reference, 3, False)
      grouped_itr2 = iterators.GroupedIterator(itr2, 2, False)
      self.assertEqual(len(grouped_itr2), 2)
  
      itr3 = _get_epoch_batch_itr(reference, 3, True)
      grouped_itr3 = iterators.GroupedIterator(itr3, 2, True)
      self.assertEqual(len(grouped_itr3), 1)
  
      itr4 = _get_epoch_batch_itr(reference, 3, True)
      grouped_itr4 = iterators.GroupedIterator(itr4, 2, False)
      self.assertEqual(len(grouped_itr4), 1)
  
      itr5 = _get_epoch_batch_itr(reference, 5, True)
      grouped_itr5 = iterators.GroupedIterator(itr5, 2, True)
      self.assertEqual(len(grouped_itr5), 0)
  
      itr6 = _get_epoch_batch_itr(reference, 5, True)
      grouped_itr6 = iterators.GroupedIterator(itr6, 2, False)
      self.assertEqual(len(grouped_itr6), 1)
  
file_path: fairseq/tests/test_iterators.py
imports: import unittest
  from fairseq.data import iterators, ListDataset
label_desc: Use image node_id 8 for calling the TestIterators obj's underlying member method code with example usage: obj.test_grouped_iterator_skip_remainder_batch() without return types