diff --git a/manila_tempest_tests/tests/api/admin/test_shares_actions.py b/manila_tempest_tests/tests/api/admin/test_shares_actions.py
index ed04ffd..28c7acd 100644
--- a/manila_tempest_tests/tests/api/admin/test_shares_actions.py
+++ b/manila_tempest_tests/tests/api/admin/test_shares_actions.py
@@ -173,7 +173,7 @@
         self.assertTrue(len(shares) > 0)
         shares_ids = [s["id"] for s in shares]
         for share in self.shares:
-            self.assertTrue(share["id"] in shares_ids)
+            self.assertIn(share["id"], shares_ids)
         for share in shares:
             # find its name or id, get id
             st_id = None
@@ -218,7 +218,7 @@
                 filters['share_type_id'], st_id)
         share_ids = [share['id'] for share in shares]
         for share in self.shares:
-            self.assertTrue(share['id'] in share_ids)
+            self.assertIn(share['id'], share_ids)
 
     @test.attr(type=[base.TAG_POSITIVE, base.TAG_API_WITH_BACKEND])
     def test_list_shares_with_detail_filter_by_host(self):
diff --git a/manila_tempest_tests/tests/scenario/test_share_basic_ops.py b/manila_tempest_tests/tests/scenario/test_share_basic_ops.py
index 532ddd5..a4e16c7 100644
--- a/manila_tempest_tests/tests/scenario/test_share_basic_ops.py
+++ b/manila_tempest_tests/tests/scenario/test_share_basic_ops.py
@@ -340,11 +340,11 @@
 
         self.umount_share(ssh_client)
 
-        self.assertTrue('1m1.bin' in output)
-        self.assertTrue('1m2.bin' in output)
-        self.assertTrue('1m3.bin' in output)
-        self.assertTrue('1m4.bin' in output)
-        self.assertTrue('1m5.bin' in output)
+        self.assertIn('1m1.bin', output)
+        self.assertIn('1m2.bin', output)
+        self.assertIn('1m3.bin', output)
+        self.assertIn('1m4.bin', output)
+        self.assertIn('1m5.bin', output)
 
 
 class TestShareBasicOpsNFS(ShareBasicOpsBase):