diff --git a/nova/tests/unit/api/openstack/compute/test_auth.py b/nova/tests/unit/api/openstack/compute/test_auth.py
index 8221ca0e1fe5..37b140e1e281 100644
--- a/nova/tests/unit/api/openstack/compute/test_auth.py
+++ b/nova/tests/unit/api/openstack/compute/test_auth.py
@@ -17,44 +17,65 @@
 import webob
 import webob.dec
 
+from nova.api import openstack as openstack_api
+from nova.api.openstack import auth
+from nova.api.openstack import compute
+from nova.api.openstack import urlmap
 from nova import test
 from nova.tests.unit.api.openstack import fakes
 
 
-class TestNoAuthMiddlewareV3(test.NoDBTestCase):
+class TestNoAuthMiddlewareV21(test.NoDBTestCase):
 
     def setUp(self):
-        super(TestNoAuthMiddlewareV3, self).setUp()
+        super(TestNoAuthMiddlewareV21, self).setUp()
         fakes.stub_out_rate_limiting(self.stubs)
         fakes.stub_out_networking(self.stubs)
+        self.wsgi_app = fakes.wsgi_app_v21(use_no_auth=True)
+        self.req_url = '/v2'
+        self.expected_url = "http://localhost/v2/user1_project"
 
     def test_authorize_user(self):
-        req = webob.Request.blank('/v2/fake')
+        req = webob.Request.blank(self.req_url)
         req.headers['X-Auth-User'] = 'user1'
         req.headers['X-Auth-Key'] = 'user1_key'
         req.headers['X-Auth-Project-Id'] = 'user1_project'
-        result = req.get_response(fakes.wsgi_app_v21(use_no_auth=True))
+        result = req.get_response(self.wsgi_app)
         self.assertEqual(result.status, '204 No Content')
         self.assertEqual(result.headers['X-Server-Management-Url'],
-            "http://localhost/v2/fake")
+            self.expected_url)
 
     def test_authorize_user_trailing_slash(self):
         # make sure it works with trailing slash on the request
-        req = webob.Request.blank('/v2/fake/')
+        self.req_url = self.req_url + '/'
+        req = webob.Request.blank(self.req_url)
         req.headers['X-Auth-User'] = 'user1'
         req.headers['X-Auth-Key'] = 'user1_key'
         req.headers['X-Auth-Project-Id'] = 'user1_project'
-        result = req.get_response(fakes.wsgi_app_v21(use_no_auth=True))
+        result = req.get_response(self.wsgi_app)
         self.assertEqual(result.status, '204 No Content')
         self.assertEqual(result.headers['X-Server-Management-Url'],
-            "http://localhost/v2/fake")
+            self.expected_url)
 
     def test_auth_token_no_empty_headers(self):
-        req = webob.Request.blank('/v2/fake')
+        req = webob.Request.blank(self.req_url)
         req.headers['X-Auth-User'] = 'user1'
         req.headers['X-Auth-Key'] = 'user1_key'
         req.headers['X-Auth-Project-Id'] = 'user1_project'
-        result = req.get_response(fakes.wsgi_app_v21(use_no_auth=True))
+        result = req.get_response(self.wsgi_app)
         self.assertEqual(result.status, '204 No Content')
         self.assertNotIn('X-CDN-Management-Url', result.headers)
         self.assertNotIn('X-Storage-Url', result.headers)
+
+
+class TestNoAuthMiddlewareV3(TestNoAuthMiddlewareV21):
+
+    def setUp(self):
+        super(TestNoAuthMiddlewareV3, self).setUp()
+        api_router = compute.APIRouterV3()
+        api_v3 = openstack_api.FaultWrapper(auth.NoAuthMiddlewareV3(
+            api_router))
+        self.wsgi_app = urlmap.URLMap()
+        self.wsgi_app['/v3'] = api_v3
+        self.req_url = '/v3'
+        self.expected_url = "http://localhost/v3"
diff --git a/nova/tests/unit/api/openstack/fakes.py b/nova/tests/unit/api/openstack/fakes.py
index ac3f79f033ed..1f0e835e929a 100644
--- a/nova/tests/unit/api/openstack/fakes.py
+++ b/nova/tests/unit/api/openstack/fakes.py
@@ -113,7 +113,7 @@ def wsgi_app_v21(inner_app_v21=None, fake_auth_context=None,
         inner_app_v21 = openstack_api.LegacyV2CompatibleWrapper(inner_app_v21)
 
     if use_no_auth:
-        api_v21 = openstack_api.FaultWrapper(auth.NoAuthMiddlewareV3(
+        api_v21 = openstack_api.FaultWrapper(auth.NoAuthMiddleware(
               limits.RateLimitingMiddleware(inner_app_v21)))
     else:
         if fake_auth_context is not None: