Self-test: fix test_doctest_unexpected_exception in Python 3.14 (#13548) (#13552)

Fixes #13547.

(cherry picked from commit 48be3c8)

Co-authored-by: bengartner <[email protected]>

Author: patchback[bot]

changelog/13547.contrib.rst

@@ -0,0 +1 @@
+Self-testing: corrected expected message for ``test_doctest_unexpected_exception`` in Python ``3.14``.

testing/test_doctest.py

@@ -223,9 +223,12 @@ def test_doctest_unexpected_exception(self, pytester: Pytester):
                 "002 >>> 0 / i",
                 "UNEXPECTED EXCEPTION: ZeroDivisionError*",
                 "Traceback (most recent call last):",
-                '  File "*/doctest.py", line *, in __run',
-                "    *",
-                *((" *^^^^*", " *", " *") if sys.version_info >= (3, 13) else ()),
+                *(
+                    ('  File "*/doctest.py", line *, in __run', "    *")
+                    if sys.version_info <= (3, 14)
+                    else ()
+                ),
+                *((" *^^^^*", " *", " *") if sys.version_info[:2] == (3, 13) else ()),
                 '  File "<doctest test_doctest_unexpected_exception.txt[1]>", line 1, in <module>',
                 "ZeroDivisionError: division by zero",
                 "*/test_doctest_unexpected_exception.txt:2: UnexpectedException",