code: def test_string(self):
      raw = dict(foo="bar")
      tz = from_timezone_name(self.timezone_name, raw)
      self.assertEqual(str(tz), self.timezone_name)
  
file_path: geopy/test/test_timezone.py
imports: import datetime
  import pickle
  import unittest
  import pytest
  from geopy.timezone import Timezone, from_fixed_gmt_offset, from_timezone_name
label_desc: Use image node_id 4 for calling the TimezoneTestCase obj's underlying member method code with example usage: obj.test_string() without return types