diff --git a/openstackclient/tests/common/test_module.py b/openstackclient/tests/common/test_module.py
index 7d08dae7b7..8d5bb5f1f7 100644
--- a/openstackclient/tests/common/test_module.py
+++ b/openstackclient/tests/common/test_module.py
@@ -106,8 +106,8 @@ class TestModuleList(utils.TestCommand):
         columns, data = self.cmd.take_action(parsed_args)
 
         # Additional modules may be present, just check our additions
-        self.assertTrue(module_name_1 in columns)
-        self.assertTrue(module_version_1 in data)
+        self.assertIn(module_name_1, columns)
+        self.assertIn(module_version_1, data)
 
     def test_module_list_all(self):
         arglist = [
@@ -124,7 +124,7 @@ class TestModuleList(utils.TestCommand):
         columns, data = self.cmd.take_action(parsed_args)
 
         # Additional modules may be present, just check our additions
-        self.assertTrue(module_name_1 in columns)
-        self.assertTrue(module_name_2 in columns)
-        self.assertTrue(module_version_1 in data)
-        self.assertTrue(module_version_2 in data)
+        self.assertIn(module_name_1, columns)
+        self.assertIn(module_name_2, columns)
+        self.assertIn(module_version_1, data)
+        self.assertIn(module_version_2, data)
diff --git a/openstackclient/tests/image/v2/test_image.py b/openstackclient/tests/image/v2/test_image.py
index 2b116b4e82..830590c96a 100644
--- a/openstackclient/tests/image/v2/test_image.py
+++ b/openstackclient/tests/image/v2/test_image.py
@@ -1128,7 +1128,7 @@ class TestImageSet(TestImage):
         # ImageManager.update(image, **kwargs)
         a, k = self.images_mock.update.call_args
         self.assertEqual(image_fakes.image_id, a[0])
-        self.assertTrue('tags' in k)
+        self.assertIn('tags', k)
         self.assertEqual(set(kwargs['tags']), set(k['tags']))
         self.assertIsNone(result)
 
@@ -1154,7 +1154,7 @@ class TestImageSet(TestImage):
         # ImageManager.update(image, **kwargs)
         a, k = self.images_mock.update.call_args
         self.assertEqual(image_fakes.image_id, a[0])
-        self.assertTrue('tags' in k)
+        self.assertIn('tags', k)
         self.assertEqual(set(kwargs['tags']), set(k['tags']))
         self.assertIsNone(result)