diff --git a/tempest/lib/services/network/base.py b/tempest/lib/services/network/base.py
index b6f9c91..fe8b244 100644
--- a/tempest/lib/services/network/base.py
+++ b/tempest/lib/services/network/base.py
@@ -54,7 +54,8 @@
         self.expected_success(200, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def create_resource(self, uri, post_data, expect_empty_body=False):
+    def create_resource(self, uri, post_data, expect_empty_body=False,
+                        expect_response_code=201):
         req_uri = self.uri_prefix + uri
         req_post_data = json.dumps(post_data)
         resp, body = self.post(req_uri, req_post_data)
@@ -65,10 +66,11 @@
             body = json.loads(body)
         else:
             body = None
-        self.expected_success(201, resp.status)
+        self.expected_success(expect_response_code, resp.status)
         return rest_client.ResponseBody(resp, body)
 
-    def update_resource(self, uri, post_data, expect_empty_body=False):
+    def update_resource(self, uri, post_data, expect_empty_body=False,
+                        expect_response_code=200):
         req_uri = self.uri_prefix + uri
         req_post_data = json.dumps(post_data)
         resp, body = self.put(req_uri, req_post_data)
@@ -79,5 +81,5 @@
             body = json.loads(body)
         else:
             body = None
-        self.expected_success(200, resp.status)
+        self.expected_success(expect_response_code, resp.status)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/network/tags_client.py b/tempest/lib/services/network/tags_client.py
index 20c2c11..5d49a79 100644
--- a/tempest/lib/services/network/tags_client.py
+++ b/tempest/lib/services/network/tags_client.py
@@ -27,14 +27,10 @@
         For more information, please refer to the official API reference:
         http://developer.openstack.org/api-ref/networking/v2/index.html#add-a-tag
         """
-        # NOTE(felipemonteiro): Cannot use ``update_resource`` method because
-        # this API requires self.put but returns 201 instead of 200 expected
-        # by ``update_resource``.
-        uri = '%s/%s/%s/tags/%s' % (
-            self.uri_prefix, resource_type, resource_id, tag)
-        resp, _ = self.put(uri, json.dumps({}))
-        self.expected_success(201, resp.status)
-        return rest_client.ResponseBody(resp)
+        uri = '/%s/%s/tags/%s' % (resource_type, resource_id, tag)
+        return self.update_resource(
+            uri, json.dumps({}), expect_response_code=201,
+            expect_empty_body=True)
 
     def check_tag_existence(self, resource_type, resource_id, tag):
         """Confirm that a given tag is set on the resource.
diff --git a/tempest/tests/lib/services/network/test_base_network_client.py b/tempest/tests/lib/services/network/test_base_network_client.py
new file mode 100644
index 0000000..e121cec
--- /dev/null
+++ b/tempest/tests/lib/services/network/test_base_network_client.py
@@ -0,0 +1,96 @@
+# Copyright 2017 AT&T Corporation.
+# 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.
+
+import mock
+
+from tempest.lib.services.network import base as base_network_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib import fake_http
+from tempest.tests.lib.services import base
+
+
+class TestBaseNetworkClient(base.BaseServiceTest):
+
+    def setUp(self):
+        super(TestBaseNetworkClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = base_network_client.BaseNetworkClient(
+            fake_auth, 'compute', 'regionOne')
+
+        self.mock_expected_success = mock.patch.object(
+            self.client, 'expected_success').start()
+
+    def _assert_empty(self, resp):
+        self.assertEqual([], list(resp.keys()))
+
+    @mock.patch('tempest.lib.common.rest_client.RestClient.post')
+    def test_create_resource(self, mock_post):
+        response = fake_http.fake_http_response(headers=None, status=201)
+        mock_post.return_value = response, '{"baz": "qux"}'
+
+        post_data = {'foo': 'bar'}
+        resp = self.client.create_resource('/fake_url', post_data)
+
+        self.assertEqual({'status': '201'}, resp.response)
+        self.assertEqual("qux", resp["baz"])
+        mock_post.assert_called_once_with('v2.0/fake_url', '{"foo": "bar"}')
+        self.mock_expected_success.assert_called_once_with(
+            201, 201)
+
+    @mock.patch('tempest.lib.common.rest_client.RestClient.post')
+    def test_create_resource_expect_different_values(self, mock_post):
+        response = fake_http.fake_http_response(headers=None, status=200)
+        mock_post.return_value = response, '{}'
+
+        post_data = {'foo': 'bar'}
+        resp = self.client.create_resource('/fake_url', post_data,
+                                           expect_response_code=200,
+                                           expect_empty_body=True)
+
+        self.assertEqual({'status': '200'}, resp.response)
+        self._assert_empty(resp)
+        mock_post.assert_called_once_with('v2.0/fake_url', '{"foo": "bar"}')
+        self.mock_expected_success.assert_called_once_with(
+            200, 200)
+
+    @mock.patch('tempest.lib.common.rest_client.RestClient.put')
+    def test_update_resource(self, mock_put):
+        response = fake_http.fake_http_response(headers=None, status=200)
+        mock_put.return_value = response, '{"baz": "qux"}'
+
+        put_data = {'foo': 'bar'}
+        resp = self.client.update_resource('/fake_url', put_data)
+
+        self.assertEqual({'status': '200'}, resp.response)
+        self.assertEqual("qux", resp["baz"])
+        mock_put.assert_called_once_with('v2.0/fake_url', '{"foo": "bar"}')
+        self.mock_expected_success.assert_called_once_with(
+            200, 200)
+
+    @mock.patch('tempest.lib.common.rest_client.RestClient.put')
+    def test_update_resource_expect_different_values(self, mock_put):
+        response = fake_http.fake_http_response(headers=None, status=201)
+        mock_put.return_value = response, '{}'
+
+        put_data = {'foo': 'bar'}
+        resp = self.client.update_resource('/fake_url', put_data,
+                                           expect_response_code=201,
+                                           expect_empty_body=True)
+
+        self.assertEqual({'status': '201'}, resp.response)
+        self._assert_empty(resp)
+        mock_put.assert_called_once_with('v2.0/fake_url', '{"foo": "bar"}')
+        self.mock_expected_success.assert_called_once_with(
+            201, 201)