bpo-38212: Increase MP test_queue_feeder_donot_stop_onexc() timeout (GH-16348)

Multiprocessing tests: increase test_queue_feeder_donot_stop_onexc()
timeout from 1 to 60 seconds.

Lib/test/_test_multiprocessing.py

@@ -1128,8 +1128,7 @@ class _TestQueue(BaseTestCase):
             q = self.Queue()
             q.put(NotSerializable())
             q.put(True)
-            # bpo-30595: use a timeout of 1 second for slow buildbots
-            self.assertTrue(q.get(timeout=1.0))
+            self.assertTrue(q.get(timeout=TIMEOUT))
             close_queue(q)
 
         with test.support.captured_stderr():

Misc/NEWS.d/next/Tests/2019-09-24-12-24-05.bpo-38212.IWbhWz.rst

+Multiprocessing tests: increase test_queue_feeder_donot_stop_onexc() timeout
+from 1 to 60 seconds.