Issue #22894: TestCase.subTest() would cause the test suite to be stopped when in...

diff --cc Lib/unittest/test/test_case.py
Simple merge

diff --cc Misc/NEWS
index 894cbd01054a841bd0ebf6c665d2b32dfb44401f,1fedf61157c61536a1fc9b62148748c2ff0ae565..76a46aef5a97c4977efabcf1e3e8ed1e1d04193b
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -191,8 -36,11 +191,11 @@@ Core and Builtin
  Library
  -------
  
 -- Issue #22638: SSLv3 is now disabled throughout the standard library.
 -  It can still be enabled by instantiating a SSLContext manually.
+ - Issue #22894: TestCase.subTest() would cause the test suite to be stopped
+   when in failfast mode, even in the absence of failures.
+ 
 +- Issue #22796: HTTP cookie parsing is now stricter, in order to protect
 +  against potential injection attacks.
  
  - Issue #22370: Windows detection in pathlib is now more robust.