diff --git a/tempest/api/compute/certificates/test_certificates.py b/tempest/api/compute/certificates/test_certificates.py
index f6cadf7..0f921c5 100644
--- a/tempest/api/compute/certificates/test_certificates.py
+++ b/tempest/api/compute/certificates/test_certificates.py
@@ -17,13 +17,14 @@
 from tempest import test
 
 
-class CertificatesTestJSON(base.BaseV2ComputeTest):
+class CertificatesV3Test(base.BaseComputeTest):
+
+    _api_version = 3
 
     @test.attr(type='gate')
     def test_create_root_certificate(self):
         # create certificates
         resp, body = self.certificates_client.create_certificate()
-        self.assertEqual(200, resp.status)
         self.assertIn('data', body)
         self.assertIn('private_key', body)
 
@@ -36,5 +37,9 @@
         self.assertIn('private_key', body)
 
 
-class CertificatesTestXML(CertificatesTestJSON):
+class CertificatesV2TestJSON(CertificatesV3Test):
+    _api_version = 2
+
+
+class CertificatesV2TestXML(CertificatesV2TestJSON):
     _interface = 'xml'
diff --git a/tempest/api/compute/v3/certificates/__init__.py b/tempest/api/compute/v3/certificates/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/tempest/api/compute/v3/certificates/__init__.py
+++ /dev/null
diff --git a/tempest/api/compute/v3/certificates/test_certificates.py b/tempest/api/compute/v3/certificates/test_certificates.py
deleted file mode 100644
index 0ba44cb..0000000
--- a/tempest/api/compute/v3/certificates/test_certificates.py
+++ /dev/null
@@ -1,36 +0,0 @@
-# Copyright 2012 OpenStack Foundation
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from tempest.api.compute import base
-from tempest.test import attr
-
-
-class CertificatesV3Test(base.BaseV3ComputeTest):
-
-    @attr(type='gate')
-    def test_create_root_certificate(self):
-        # create certificates
-        resp, body = self.certificates_client.create_certificate()
-        self.assertEqual(201, resp.status)
-        self.assertIn('data', body)
-        self.assertIn('private_key', body)
-
-    @attr(type='gate')
-    def test_get_root_certificate(self):
-        # get the root certificate
-        resp, body = self.certificates_client.get_certificate('root')
-        self.assertEqual(200, resp.status)
-        self.assertIn('data', body)
-        self.assertIn('private_key', body)