Fix tests for Py3.11

Upstream-PR: https://github.com/dpkp/kafka-python/pull/2358

diff --git a/test/test_assignors.py b/test/test_assignors.py
index 67e91e131..a1214d8fa 100644
--- a/test/test_assignors.py
+++ b/test/test_assignors.py
@@ -661,7 +661,7 @@ def test_reassignment_with_random_subscriptions_and_changes(mocker, execution_nu
 
     subscriptions = defaultdict(set)
     for i in range(n_consumers):
-        topics_sample = sample(all_topics, randint(1, len(all_topics) - 1))
+        topics_sample = sample(sorted(all_topics), randint(1, len(all_topics) - 1))
         subscriptions['C{}'.format(i)].update(topics_sample)
 
     member_metadata = make_member_metadata(subscriptions)
@@ -671,7 +671,7 @@ def test_reassignment_with_random_subscriptions_and_changes(mocker, execution_nu
 
     subscriptions = defaultdict(set)
     for i in range(n_consumers):
-        topics_sample = sample(all_topics, randint(1, len(all_topics) - 1))
+        topics_sample = sample(sorted(all_topics), randint(1, len(all_topics) - 1))
         subscriptions['C{}'.format(i)].update(topics_sample)
 
     member_metadata = {}