Issue #13898: test_ssl no longer prints a spurious stack trace on Ubuntu.

diff --cc Lib/test/test_ssl.py
Simple merge

diff --cc Misc/NEWS
index 5bf85eea5b37968529842bffa9bd539648aa3240,0b1da99048d6cefea48de423e260e51de04435f6..2f24d0b8917b6334c22dfc9aa1e2c855d5ed0b47
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -887,15 -635,10 +887,17 @@@ Extension Module
  Tests
  -----
  
+ - Issue #13898: test_ssl no longer prints a spurious stack trace on Ubuntu.
+ 
 +- Issue #17283: Share code between `__main__.py` and `regrtest.py` in
 +  `Lib/test`.
 +
  - Issue #17249: convert a test in test_capi to use unittest and reap threads.
  
 +- Issue #17107: Test client-side SNI support in urllib.request thanks to
 +  the new server-side SNI support in the ssl module.  Initial patch by
 +  Daniel Black.
 +
  - Issue #17041: Fix testing when Python is configured with the
    --without-doc-strings.