Relax test timing (bpo-29861) to avoid sporadic failures (#1120) (#1132)

pitrou · web-flow · commit 413a8913aee2 · 2017-04-14T13:37:46.000+02:00
(cherry picked from commit 685cdb9)
diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
@@ -2080,6 +2080,7 @@ def test_release_task_refs(self):
         self.pool.map(identity, objs)
 
         del objs
+        time.sleep(DELTA)  # let threaded cleanup code run
         self.assertEqual(set(wr() for wr in refs), {None})
         # With a process pool, copies of the objects are returned, check
         # they were released too.
