diff --git a/tempest/tests/lib/fake_identity.py b/tempest/tests/lib/fake_identity.py
index bac2676..5732065 100644
--- a/tempest/tests/lib/fake_identity.py
+++ b/tempest/tests/lib/fake_identity.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
+from oslo_serialization import jsonutils as json
 
-import httplib2
+from tempest.tests.lib import fake_http
 
 FAKE_AUTH_URL = 'http://fake_uri.com/auth'
 
@@ -139,16 +139,15 @@
 def _fake_v3_response(self, uri, method="GET", body=None, headers=None,
                       redirections=5, connection_type=None):
     fake_headers = {
-        "status": "201",
         "x-subject-token": TOKEN
     }
-    return (httplib2.Response(fake_headers),
+    return (fake_http.fake_http_response(fake_headers, status=201),
             json.dumps(IDENTITY_V3_RESPONSE))
 
 
 def _fake_v2_response(self, uri, method="GET", body=None, headers=None,
                       redirections=5, connection_type=None):
-    return (httplib2.Response({"status": "200"}),
+    return (fake_http.fake_http_response({}, status=200),
             json.dumps(IDENTITY_V2_RESPONSE))
 
 
@@ -161,4 +160,4 @@
             "code": "401"
         }
     }
-    return httplib2.Response({"status": "401"}), json.dumps(body)
+    return fake_http.fake_http_response({}, status=401), json.dumps(body)