code: def test_slice_indices_slice(self):
      dataset = self.dataset.slice[3:8:2]
      self.assertIsInstance(dataset, SliceableDataset)
      self.assertEqual(len(dataset), 3)
      self.assertEqual(dataset.keys, self.dataset.keys)
      self.assertEqual(dataset[1], ("item0(5)", "item1(5)", "item2(5)"))
  
imports: import numpy
  import six
  import unittest
  from chainercv.chainer_experimental.datasets.sliceable import SliceableDataset
  from chainercv.utils import testing
label_desc: Use image node_id 14 for calling the TestSliceableDataset obj's underlying member method code with example usage: obj.test_slice_indices_slice() without return types