code: def test_newline(self):
      # CRLF
      ds = self._dataset(
          ["utf8_crlf.txt"], encoding="utf-8", newline="\r\n"
      )
      assert ds[0] == "テスト1\r\n"
      assert ds[1] == "テスト2\r\n"
      assert ds[2] == "Test3\r\n"
  
imports: from __future__ import unicode_literals
  import os
  import pickle
  import unittest
  import six
  from chainer import datasets
  from chainer import testing
label_desc: Use image node_id 17 for calling the TestTextDataset obj's underlying member method code with example usage: obj.test_newline() without return types