[3.12] gh-110695: test_asyncio uses 50 ms for clock resolution (GH-110952) (#110970)

gh-110695: test_asyncio uses 50 ms for clock resolution (GH-110952)

Before utils.CLOCK_RES constant was added (20 ms), test_asyncio
already used 50 ms.
(cherry picked from commit 9a9fba8)

Co-authored-by: Victor Stinner <[email protected]>

Author: miss-islington

Lib/test/test_asyncio/utils.py

@@ -37,9 +37,9 @@
 
 
 # Use the maximum known clock resolution (gh-75191, gh-110088): Windows
-# GetTickCount64() has a resolution of 15.6 ms.  Use 20 ms to tolerate rounding
+# GetTickCount64() has a resolution of 15.6 ms. Use 50 ms to tolerate rounding
 # issues.
-CLOCK_RES = 0.020
+CLOCK_RES = 0.050
 
 
 def data_file(*filename):