[issue42794] test_nntplib fails on CI

[Serhiy Storchaka]

New submission from Serhiy Storchaka <storchaka+cpython at gmail.com>:

Since yesterday ALL PRs are blocked by failing test_nntplib.

For example https://github.com/python/cpython/runs/1629664606?check_suite_focus=true:

======================================================================
ERROR: test_descriptions (test.test_nntplib.NetworkedNNTP_SSLTests)
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Traceback (most recent call last):
  File "/home/runner/work/cpython/cpython/Lib/test/test_nntplib.py", line 250, in wrapped
    meth(self)
  File "/home/runner/work/cpython/cpython/Lib/test/test_nntplib.py", line 99, in test_descriptions
    desc = descs[self.GROUP_NAME]
KeyError: 'comp.lang.python'

======================================================================
FAIL: test_description (test.test_nntplib.NetworkedNNTP_SSLTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/runner/work/cpython/cpython/Lib/test/test_nntplib.py", line 250, in wrapped
    meth(self)
  File "/home/runner/work/cpython/cpython/Lib/test/test_nntplib.py", line 85, in test_description
    self.assertIn("Python", desc)
AssertionError: 'Python' not found in ''

----------------------------------------------------------------------

----------
components: Tests
messages: 384106
nosy: serhiy.storchaka
priority: critical
severity: normal
status: open
title: test_nntplib fails on CI
versions: Python 3.10, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42794>
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