The tests emit some deprecation warnings :
PYTHONWARNINGS=always ./python -Wall -m test test_exception_group
0:00:00 load avg: 0.39 Run tests sequentially
0:00:00 load avg: 0.39 [1/1] test_exception_group
/home/karthikeyan/stuff/python/cpython/Lib/test/test_exception_group.py:41: DeprecationWarning: invalid escape sequence '\('
MSG = 'second argument \(exceptions\) must be a sequence'
/home/karthikeyan/stuff/python/cpython/Lib/test/test_exception_group.py:47: DeprecationWarning: invalid escape sequence '\('
MSG = 'second argument \(exceptions\) must be a non-empty sequence'
/home/karthikeyan/stuff/python/cpython/Lib/test/test_exception_group.py:52: DeprecationWarning: invalid escape sequence '\('
MSG = ('Item [0-9]+ of second argument \(exceptions\)'
== Tests result: SUCCESS ==
1 test OK.
Total duration: 51 ms
Tests result: SUCCESS