code: def test_retry_success(self):
      def my_func(arg, kwarg=5):
          return arg + kwarg
  
      self.assertEqual(retry(my_func, 5, kwarg=5), 10)
  
file_path: lightly/tests/api/test_utils.py
imports: import os
  import unittest
  from unittest import mock
  import pytest
  from PIL import Image
  from lightly.api.utils import DatasourceType, PIL_to_bytes, get_lightly_server_location_from_env, get_signed_url_destination, getenv, paginate_endpoint, retry
label_desc: Use image node_id 1 for calling the TestUtils obj's underlying member method code with example usage: obj.test_retry_success() and returns: unknown