[Python-checkins] gh-92886: Fix test that fails when running with `-O` in `test_imaplib.py` (#93237)

[JelleZijlstra]

https://github.com/python/cpython/commit/8150b8cf7fe09d601246f5bdc6456a0e31f31bca
commit: 8150b8cf7fe09d601246f5bdc6456a0e31f31bca
branch: main
author: jackh-ncl <1750152+jackh-ncl at users.noreply.github.com>
committer: JelleZijlstra <jelle.zijlstra at gmail.com>
date: 2022-06-03T20:15:58-07:00
summary:

gh-92886: Fix test that fails when running with `-O` in `test_imaplib.py` (#93237)

files:
A Misc/NEWS.d/next/Tests/2022-05-25-23-07-15.gh-issue-92886.Aki63_.rst
M Lib/test/test_imaplib.py

diff --git a/Lib/test/test_imaplib.py b/Lib/test/test_imaplib.py
index ff13edea2d1e4..ed26fa16d6ea8 100644
--- a/Lib/test/test_imaplib.py
+++ b/Lib/test/test_imaplib.py
@@ -939,6 +939,7 @@ def test_with_statement_logout(self):
 
     @threading_helper.reap_threads
     @cpython_only
+    @unittest.skipUnless(__debug__, "Won't work if __debug__ is False")
     def test_dump_ur(self):
         # See: http://bugs.python.org/issue26543
         untagged_resp_dict = {'READ-WRITE': [b'']}
diff --git a/Misc/NEWS.d/next/Tests/2022-05-25-23-07-15.gh-issue-92886.Aki63_.rst b/Misc/NEWS.d/next/Tests/2022-05-25-23-07-15.gh-issue-92886.Aki63_.rst
new file mode 100644
index 0000000000000..581f6bfea24b6
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2022-05-25-23-07-15.gh-issue-92886.Aki63_.rst
@@ -0,0 +1 @@
+Fixing tests that fail when running with optimizations (``-O``) in ``test_imaplib.py``.