old_contents: from aioworkers import utils
  
  
  def test_random_seed():
      utils.random_seed()
  
new_contents: import os
  from unittest import mock
  
  from aioworkers import utils
  
  
  def test_urandom_seed():
      utils.random_seed()
  
  
  def test_random_seed():
      def not_implemented_urandom(*args):
          raise NotImplementedError
  
      with mock.patch.object(os, "urandom", not_implemented_urandom):
          utils.random_seed()
  
subject: improve test_utils.py