code: def test_get_drift(self):
      for s in [0, None, "", [], {}]:
          self.assertIsInstance(self.utils.get_drift(s), int)
  
      self.assertEqual(self.utils.get_drift(0), 1)
      self.assertEqual(self.utils.get_drift(1.1), 1)
      self.assertEqual(self.utils.get_drift(-1.1), 1)
  
imports: from .config import sample_data
  from .context import pandas_ta
  from unittest import skip, TestCase
  from unittest.mock import patch
  import numpy
  import numpy.testing
  from pandas import DataFrame, Series
  from pandas.api.types import is_datetime64_ns_dtype, is_datetime64tz_dtype
label_desc: Use image node_id 28 for calling the TestUtilities obj's underlying member method code with example usage: obj.test_get_drift() without return types