[Python-checkins] bpo-31008: Fix asyncio test_wait_for_handle on Windows (#3065)

[Victor Stinner]

https://github.com/python/cpython/commit/5659a72f487579be76335c09c8ba8b2f1800adde
commit: 5659a72f487579be76335c09c8ba8b2f1800adde
branch: master
author: Victor Stinner <victor.stinner at gmail.com>
committer: GitHub <noreply at github.com>
date: 2017-08-11T01:23:22+02:00
summary:

bpo-31008: Fix asyncio test_wait_for_handle on Windows (#3065)

files:
M Lib/test/test_asyncio/test_windows_events.py

diff --git a/Lib/test/test_asyncio/test_windows_events.py b/Lib/test/test_asyncio/test_windows_events.py
index 1afcae107b0..c72eef1afdb 100644
--- a/Lib/test/test_asyncio/test_windows_events.py
+++ b/Lib/test/test_asyncio/test_windows_events.py
@@ -118,7 +118,9 @@ def test_wait_for_handle(self):
 
         self.assertEqual(done, False)
         self.assertFalse(fut.result())
-        self.assertTrue(0.48 < elapsed < 0.9, elapsed)
+        # bpo-31008: Tolerate only 450 ms (at least 500 ms expected),
+        # because of bad clock resolution on Windows
+        self.assertTrue(0.45 <= elapsed <= 0.9, elapsed)
 
         _overlapped.SetEvent(event)