diff --git a/aodh/tests/functional/api/v2/test_query.py b/aodh/tests/functional/api/v2/test_query.py
index 9472857ae..57b215433 100644
--- a/aodh/tests/functional/api/v2/test_query.py
+++ b/aodh/tests/functional/api/v2/test_query.py
@@ -274,7 +274,7 @@ class TestQueryToKwArgs(tests_base.BaseTestCase):
             request.headers.return_value = {'X-ProjectId': 'foobar'}
             kwargs = utils.query_to_kwargs(queries,
                                            storage.SampleFilter.__init__)
-            self.assertFalse('self' in kwargs)
+            self.assertNotIn('self', kwargs)
 
     def test_sample_filter_translation(self):
         queries = [v2_base.Query(field=f,
diff --git a/aodh/tests/unit/test_notifier.py b/aodh/tests/unit/test_notifier.py
index 1791e338c..3d324414b 100644
--- a/aodh/tests/unit/test_notifier.py
+++ b/aodh/tests/unit/test_notifier.py
@@ -287,7 +287,7 @@ class FakeZaqarClient(object):
     def subscription(self, queue_name, **kwargs):
         self.client.assertEqual('foobar-critical', queue_name)
         subscribers = ['http://example.com/data', 'mailto:foo@example.com']
-        self.client.assertTrue(kwargs['subscriber'] in subscribers)
+        self.client.assertIn(kwargs['subscriber'], subscribers)
         self.client.assertEqual('7200', kwargs['ttl'])