[3.12] pythongh-119819: Conditional skip of logging tests that requir…

…e multiprocessing subprocess support (python#120476)

Skip tests that require multiprocessing subprocess support.

Lib/test/test_logging.py

@@ -3895,12 +3895,10 @@ def test_config_queue_handler(self):
             msg = str(ctx.exception)
             self.assertEqual(msg, "Unable to configure handler 'ah'")
 
+    @support.requires_subprocess()
     def test_multiprocessing_queues(self):
         # See gh-119819
 
-        # will skip test if it's not available
-        import_helper.import_module('_multiprocessing')
-
         cd = copy.deepcopy(self.config_queue_handler)
         from multiprocessing import Queue as MQ, Manager as MM
         q1 = MQ()  # this can't be pickled