From: Maximilian Engelhardt <maxi@daemonizer.de>
Date: Wed, 12 Mar 2025 19:54:02 +0100
Subject: Fix tests for python 3.13

unittest.makeSuite() was removed in python 3.13

This is a partly backport of upstream pull request #83.

Description: Fix tests for python 3.13
Bug: https://github.com/zopefoundation/zope.sqlalchemy/pull/83
Origin: backport
Author: Michael Howitz <icemac@gmx.net>
Last-Update: 2025-03-10
---
 src/zope/sqlalchemy/tests.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/zope/sqlalchemy/tests.py b/src/zope/sqlalchemy/tests.py
index 5083924..ea98801 100644
--- a/src/zope/sqlalchemy/tests.py
+++ b/src/zope/sqlalchemy/tests.py
@@ -875,14 +875,14 @@ def tearDownReadMe(test):
 def test_suite():
     import doctest
     from unittest import TestSuite
-    from unittest import makeSuite
+    from unittest import defaultTestLoader
 
     optionflags = doctest.NORMALIZE_WHITESPACE | doctest.ELLIPSIS
     suite = TestSuite()
-    suite.addTest(makeSuite(ZopeSQLAlchemyTests))
-    suite.addTest(makeSuite(MultipleEngineTests))
+    suite.addTest(defaultTestLoader.loadTestsFromTestCase(ZopeSQLAlchemyTests))
+    suite.addTest(defaultTestLoader.loadTestsFromTestCase(MultipleEngineTests))
     if TEST_DSN.startswith("postgres") or TEST_DSN.startswith("oracle"):
-        suite.addTest(makeSuite(RetryTests))
+        suite.addTest(defaultTestLoader.loadTestsFromTestCase(RetryTests))
 
     # examples in docs are only correct for SQLAlchemy >=1.4
     if parse_version(sqlalchemy_version) >= parse_version('1.4.0'):
