code: def test_built(self):
      with tempfile.TemporaryDirectory() as d:
          # First, test without built file
          self.assertFalse(download.built(d, "0.2"))
          download.mark_done(d, "0.1")
          # Test correct version
          self.assertTrue(download.built(d, "0.1"))
          # Test wrong version
          self.assertFalse(download.built(d, "0.2"))
  
file_path: mmf/tests/utils/test_download.py
imports: import contextlib
  import os
  import tempfile
  import unittest
  from io import StringIO
  from unittest import mock
  import mmf.utils.download
  import tests.test_utils
label_desc: Use image node_id 3 for calling the TestUtilsDownload obj's underlying member method code with example usage: obj.test_built() without return types