Refs #35844 -- Corrected expected error messages in commands tests on Python 3.14+.

Updated CommandTests.test_subparser_invalid_option and CommandDBOptionChoiceTests.test_invalid_choice_db_option to address changes in Python 3.14+ error handling.

django/utils/version.py

@@ -19,6 +19,7 @@ PY310 = sys.version_info >= (3, 10)
 PY311 = sys.version_info >= (3, 11)
 PY312 = sys.version_info >= (3, 12)
 PY313 = sys.version_info >= (3, 13)
+PY314 = sys.version_info >= (3, 14)
 
 
 def get_version(version=None):

tests/admin_scripts/tests.py

@@ -34,7 +34,7 @@ from django.db.migrations.recorder import MigrationRecorder
 from django.test import LiveServerTestCase, SimpleTestCase, TestCase, override_settings
 from django.test.utils import captured_stderr, captured_stdout
 from django.urls import path
-from django.utils.version import PY313, get_docs_version
+from django.utils.version import PY313, PY314, get_docs_version
 from django.views.static import serve
 
 from . import urls
@@ -2355,9 +2355,15 @@ class Discovery(SimpleTestCase):
 
 class CommandDBOptionChoiceTests(SimpleTestCase):
     def test_invalid_choice_db_option(self):
+        if PY314:
             expected_error = (
-            "Error: argument --database: invalid choice: "
-            "'deflaut' (choose from 'default', 'other')"
+                "Error: argument --database: invalid choice: 'deflaut' "
+                "(choose from default, other)"
+            )
+        else:
+            expected_error = (
+                "Error: argument --database: invalid choice: 'deflaut' "
+                "(choose from 'default', 'other')"
             )
         args = [
             "changepassword",

tests/user_commands/tests.py

@@ -20,6 +20,7 @@ from django.db import connection
 from django.test import SimpleTestCase, override_settings
 from django.test.utils import captured_stderr, extend_sys_path
 from django.utils import translation
+from django.utils.version import PY314
 
 from .management.commands import dance
 
@@ -400,6 +401,9 @@ class CommandTests(SimpleTestCase):
         self.assertIn("bar", out.getvalue())
 
     def test_subparser_invalid_option(self):
+        if PY314:
+            msg = "invalid choice: 'test' (choose from foo)"
+        else:
             msg = "invalid choice: 'test' (choose from 'foo')"
         with self.assertRaisesMessage(CommandError, msg):
             management.call_command("subparser", "test", 12)