commit f15f66d275d1166839312c9ff3a67c00b486c7d6
author Victor Stinner <vstinner@redhat.com> Wed Jun 27 11:04:51 2018 +0200
committer GitHub <noreply@github.com> Wed Jun 27 11:04:51 2018 +0200
tree d468225a841dc972a6f68541d750b75ce1db1c4c
parent ddf7171911e117aa7ad4b0f9ded4f0c3a4ca0fec

bpo-30317, test_multiprocessing: fix test_timeout() (GH-7957)

Tolerate a different of 50 ms, instead of just 30 ms, in
test_timeout() of multiprocessing tests. This change should fix such
test failure on Windows:

FAIL: test_timeout (test.test_multiprocessing_spawn.WithProcessesTestQueue)
Traceback (most recent call last):
  File "lib\test\_test_multiprocessing.py", line 753, in test_timeout
    self.assertGreaterEqual(delta, 0.170)
AssertionError: 0.16138982772827148 not greater than or equal to 0.17

Lib/test/_test_multiprocessing.py

diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 31eadd2..424e1fa 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -1035,9 +1035,9 @@
         start = time.time()
         self.assertRaises(pyqueue.Empty, q.get, True, 0.200)
         delta = time.time() - start
-        # Tolerate a delta of 30 ms because of the bad clock resolution on
+        # Tolerate a delta of 50 ms because of the bad clock resolution on
         # Windows (usually 15.6 ms)
-        self.assertGreaterEqual(delta, 0.170)
+        self.assertGreaterEqual(delta, 0.150)
         close_queue(q)
 
     def test_queue_feeder_donot_stop_onexc(self):