diff --git a/ironic_tempest_plugin/services/baremetal/base.py b/ironic_tempest_plugin/services/baremetal/base.py
index 30589e1..ec572b2 100644
--- a/ironic_tempest_plugin/services/baremetal/base.py
+++ b/ironic_tempest_plugin/services/baremetal/base.py
@@ -13,6 +13,7 @@
 import functools
 
 from oslo_serialization import jsonutils as json
+from six.moves import http_client
 from six.moves.urllib import parse as urllib
 from tempest.lib.common import api_version_utils
 from tempest.lib.common import rest_client
@@ -133,7 +134,7 @@
 
         resp, body = self.get(uri, headers=headers,
                               extra_headers=extra_headers)
-        self.expected_success(200, resp.status)
+        self.expected_success(http_client.OK, resp.status)
 
         return resp, self.deserialize(body)
 
@@ -149,7 +150,7 @@
         else:
             uri = self._get_uri(resource, uuid=uuid, permanent=permanent)
         resp, body = self.get(uri)
-        self.expected_success(200, resp.status)
+        self.expected_success(http_client.OK, resp.status)
 
         return resp, self.deserialize(body)
 
@@ -167,7 +168,7 @@
         uri = self._get_uri(resource)
 
         resp, body = self.post(uri, body=body)
-        self.expected_success(201, resp.status)
+        self.expected_success(http_client.CREATED, resp.status)
 
         return resp, self.deserialize(body)
 
@@ -186,7 +187,7 @@
         uri = self._get_uri(resource)
 
         resp, body = self.post(uri, body=body)
-        self.expected_success(204, resp.status)
+        self.expected_success(http_client.NO_CONTENT, resp.status)
 
         return resp
 
@@ -201,7 +202,7 @@
         uri = self._get_uri(resource, uuid)
 
         resp, body = self.delete(uri)
-        self.expected_success(204, resp.status)
+        self.expected_success(http_client.NO_CONTENT, resp.status)
         return resp, body
 
     def _patch_request(self, resource, uuid, patch_object):
@@ -217,7 +218,7 @@
         patch_body = json.dumps(patch_object)
 
         resp, body = self.patch(uri, body=patch_body)
-        self.expected_success(200, resp.status)
+        self.expected_success(http_client.OK, resp.status)
         return resp, self.deserialize(body)
 
     @handle_errors
@@ -242,5 +243,6 @@
         put_body = json.dumps(put_object)
 
         resp, body = self.put(uri, body=put_body)
-        self.expected_success([202, 204], resp.status)
+        self.expected_success([http_client.ACCEPTED, http_client.NO_CONTENT],
+                              resp.status)
         return resp, body
diff --git a/ironic_tempest_plugin/services/baremetal/v1/json/baremetal_client.py b/ironic_tempest_plugin/services/baremetal/v1/json/baremetal_client.py
index cf1abad..6d88e7c 100644
--- a/ironic_tempest_plugin/services/baremetal/v1/json/baremetal_client.py
+++ b/ironic_tempest_plugin/services/baremetal/v1/json/baremetal_client.py
@@ -10,6 +10,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from six.moves import http_client
+
 from ironic_tempest_plugin.services.baremetal import base
 
 
@@ -318,7 +320,7 @@
         request = {'boot_device': boot_device, 'persistent': persistent}
         resp, body = self._put_request('nodes/%s/management/boot_device' %
                                        node_uuid, request)
-        self.expected_success(204, resp.status)
+        self.expected_success(http_client.NO_CONTENT, resp.status)
         return body
 
     @base.handle_errors
@@ -330,7 +332,7 @@
         """
         path = 'nodes/%s/management/boot_device' % node_uuid
         resp, body = self._list_request(path)
-        self.expected_success(200, resp.status)
+        self.expected_success(http_client.OK, resp.status)
         return body
 
     @base.handle_errors
@@ -342,7 +344,7 @@
         """
         path = 'nodes/%s/management/boot_device/supported' % node_uuid
         resp, body = self._list_request(path)
-        self.expected_success(200, resp.status)
+        self.expected_success(http_client.OK, resp.status)
         return body
 
     @base.handle_errors
@@ -354,7 +356,7 @@
         """
 
         resp, body = self._show_request('nodes/states/console', node_uuid)
-        self.expected_success(200, resp.status)
+        self.expected_success(http_client.OK, resp.status)
         return resp, body
 
     @base.handle_errors
@@ -370,7 +372,7 @@
         enabled = {'enabled': enabled}
         resp, body = self._put_request('nodes/%s/states/console' % node_uuid,
                                        enabled)
-        self.expected_success(202, resp.status)
+        self.expected_success(http_client.ACCEPTED, resp.status)
         return resp, body
 
     @base.handle_errors
@@ -410,5 +412,5 @@
         :param vif_id: An ID representing the VIF
         """
         resp, body = self._delete_request('nodes/%s/vifs' % node_uuid, vif_id)
-        self.expected_success(204, resp.status)
+        self.expected_success(http_client.NO_CONTENT, resp.status)
         return resp, body