diff --git a/requirements.txt b/requirements.txt
index 8a2fa99..4b8de27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@
 oslo.config>=4.6.0 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
-oslo.utils>=3.28.0 # Apache-2.0
+oslo.utils>=3.31.0 # Apache-2.0
 six>=1.9.0 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 PyYAML>=3.10 # MIT
diff --git a/tempest/api/compute/admin/test_fixed_ips.py b/tempest/api/compute/admin/test_fixed_ips.py
index ebba73c..66c2c2d 100644
--- a/tempest/api/compute/admin/test_fixed_ips.py
+++ b/tempest/api/compute/admin/test_fixed_ips.py
@@ -42,6 +42,7 @@
         super(FixedIPsTestJson, cls).resource_setup()
         server = cls.create_test_server(wait_until='ACTIVE')
         server = cls.servers_client.show_server(server['id'])['server']
+        cls.ip = None
         for ip_set in server['addresses']:
             for ip in server['addresses'][ip_set]:
                 if ip['OS-EXT-IPS:type'] == 'fixed':
@@ -49,6 +50,9 @@
                     break
             if cls.ip:
                 break
+        if cls.ip is None:
+            raise cls.skipException("No fixed ip found for server: %s"
+                                    % server['id'])
 
     @decorators.idempotent_id('16b7d848-2f7c-4709-85a3-2dfb4576cc52')
     def test_list_fixed_ip_details(self):
diff --git a/tempest/api/compute/admin/test_fixed_ips_negative.py b/tempest/api/compute/admin/test_fixed_ips_negative.py
index a5deb3c..7d41f46 100644
--- a/tempest/api/compute/admin/test_fixed_ips_negative.py
+++ b/tempest/api/compute/admin/test_fixed_ips_negative.py
@@ -43,6 +43,7 @@
         super(FixedIPsNegativeTestJson, cls).resource_setup()
         server = cls.create_test_server(wait_until='ACTIVE')
         server = cls.servers_client.show_server(server['id'])['server']
+        cls.ip = None
         for ip_set in server['addresses']:
             for ip in server['addresses'][ip_set]:
                 if ip['OS-EXT-IPS:type'] == 'fixed':
@@ -50,6 +51,9 @@
                     break
             if cls.ip:
                 break
+        if cls.ip is None:
+            raise cls.skipException("No fixed ip found for server: %s"
+                                    % server['id'])
 
     @decorators.attr(type=['negative'])
     @decorators.idempotent_id('9f17f47d-daad-4adc-986e-12370c93e407')
diff --git a/tempest/test_discover/plugins.py b/tempest/test_discover/plugins.py
index 1206e3f..9c18052 100644
--- a/tempest/test_discover/plugins.py
+++ b/tempest/test_discover/plugins.py
@@ -76,7 +76,7 @@
                 conf.register_opt(my_config.service_option,
                                   group='service_available')
                 conf.register_group(my_config.my_service_group)
-                conf.register_opts(my_config.MyService +
+                conf.register_opts(my_config.MyServiceGroup,
                                    my_config.my_service_group)
 
                 conf.register_group(my_config.my_service_feature_group)