#17065: Use process-unique key for winreg test.

Patch by Jeremy Kloth.
diff --git a/Misc/NEWS b/Misc/NEWS
index 9c651d3..89456d7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -56,6 +56,12 @@
 - Issue #17526: fix an IndexError raised while passing code without filename to
   inspect.findsource().  Initial patch by Tyler Doyle.
 
+Tests
+-----
+
+- Issue #17065: Use process-unique key for winreg tests to avoid failures if
+  test is run multiple times in parallel (eg: on a buildbot host).
+
 IDLE
 ----