diff --git a/tempest/api/compute/images/test_images.py b/tempest/api/compute/images/test_images.py
index d47ffce..bc89c1e 100644
--- a/tempest/api/compute/images/test_images.py
+++ b/tempest/api/compute/images/test_images.py
@@ -129,6 +129,9 @@
         self.addCleanup(self.client.delete_image, image['id'])
         self.assertEqual(snapshot_name, image['name'])
 
+    @testtools.skipIf(
+        CONF.compute_feature_enabled.barbican_integration_enabled,
+        "Not supported when barbican integration enabled.")
     @decorators.idempotent_id('f3cac456-e3fe-4183-a7a7-a59f7f017088')
     def test_create_server_from_snapshot(self):
         # Create one server normally
diff --git a/tempest/api/network/admin/test_routers.py b/tempest/api/network/admin/test_routers.py
index 5c32ea4..8a0c28c 100644
--- a/tempest/api/network/admin/test_routers.py
+++ b/tempest/api/network/admin/test_routers.py
@@ -139,7 +139,7 @@
 
     def _verify_gateway_port(self, router_id):
         # Workaround for PRODX-8489
-        if CONF.get('sdn').get('service_name') == "tungstenfabric":
+        if config.is_tungstenfabric_backend_enabled():
             self._wait_for_ports(router_id)
         list_body = self.admin_ports_client.list_ports(
             network_id=CONF.network.public_network_id,
diff --git a/tempest/api/network/test_security_groups.py b/tempest/api/network/test_security_groups.py
index d8a2509..02ece09 100644
--- a/tempest/api/network/test_security_groups.py
+++ b/tempest/api/network/test_security_groups.py
@@ -191,7 +191,7 @@
         port_range_min = 77
         port_range_max = 77
 
-        if CONF.get('sdn').get('service_name') == "tungstenfabric":
+        if config.is_tungstenfabric_backend_enabled():
             if self.ethertype == 'IPv6':
                 remote_ip_prefix = '::/0'
             else:
@@ -228,7 +228,7 @@
         protocol = 'ipv6-icmp' if self._ip_version == 6 else 'icmp'
         icmp_type_codes = [(3, 2), (3, 0), (8, 0), (0, 0), (11, None)]
         for icmp_type, icmp_code in icmp_type_codes:
-            if CONF.get('sdn').get('service_name') == "tungstenfabric":
+            if config.is_tungstenfabric_backend_enabled():
                 if self.ethertype == 'IPv6':
                     remote_ip_prefix = '::/0'
                 else:
diff --git a/tempest/scenario/test_encrypted_cinder_volumes.py b/tempest/scenario/test_encrypted_cinder_volumes.py
index 3e354dc..cc9fb28 100644
--- a/tempest/scenario/test_encrypted_cinder_volumes.py
+++ b/tempest/scenario/test_encrypted_cinder_volumes.py
@@ -79,6 +79,8 @@
         self.attach_detach_volume(server, volume)
 
     @decorators.idempotent_id('cbc752ed-b716-4717-910f-956cce965722')
+    @testtools.skipIf(CONF.volume.storage_protocol == 'ceph',
+                      'Skip because ceph does not support Provider plain.')
     @decorators.attr(type='slow')
     @testtools.skipUnless(
         'plain' in CONF.volume_feature_enabled.supported_crypto_providers,