diff --git a/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_ipv6_router.py b/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_ipv6_router.py
index c8bff6f..9c038bc 100644
--- a/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_ipv6_router.py
+++ b/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_ipv6_router.py
@@ -152,7 +152,8 @@ class IPv6RoutersTest(feature_manager.FeatureManager):
         networks_client = self.cmgr_adm.networks_client
         network = self.create_topology_network(
             name, networks_client=networks_client)
-        subnet = self._create_ipv6_subnet(network, cidr="5200::/64")
+        subnet = self._create_ipv6_subnet(network, cidr="5200::/64",
+                                          slaac=True)
         rtr_name = data_utils.rand_name("ipv6-rtr")
         router = self.create_topology_router(
             rtr_name, routers_client=self.cmgr_adm.routers_client)
@@ -177,7 +178,8 @@ class IPv6RoutersTest(feature_manager.FeatureManager):
             subnet_name, network,
             subnets_client=subnet_client,
             cidr='20.20.0.0/16')
-        subnet = self._create_ipv6_subnet(network, cidr="5201::/64")
+        subnet = self._create_ipv6_subnet(network, cidr="5201::/64",
+                                          slaac=True)
         rtr_name = data_utils.rand_name("ipv6-rtr")
         router = self.create_topology_router(
             rtr_name, routers_client=self.cmgr_adm.routers_client)
@@ -395,11 +397,9 @@ class IPv6RoutersTest(feature_manager.FeatureManager):
                   "nexthop": next_hop
                   }]
         router_id = router_state['id']
-        router = self.cmgr_adm.routers_client.update_router(
-            router_id, routes=routes)['router']
-        self.assertEqual(router['routes'][0]['nexthop'], next_hop)
-        self.assertEqual(router['routes'][0]['destination'], dest)
-        self.cmgr_adm.routers_client.update_router(router_id, routes=[])
+        self.assertRaises(exceptions.BadRequest,
+                          self.cmgr_adm.routers_client.update_router,
+                          router_id, routes=routes)
 
     @decorators.attr(type=['nsxv3', 'positive'])
     @decorators.idempotent_id('8155be15-cdc4-4834-be1a-99dbddbee920')
diff --git a/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_octavia_loadbalancers.py b/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_octavia_loadbalancers.py
index caa7eba..74428fb 100644
--- a/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_octavia_loadbalancers.py
+++ b/vmware_nsx_tempest_plugin/tests/nsxv3/scenario/test_octavia_loadbalancers.py
@@ -1208,7 +1208,7 @@ class OctaviaRoundRobin(feature_manager.FeatureManager):
                                     timeout=self.hm_timeout,
                                     max_retries=self.hm_max_retries,
                                     delay=self.hm_delay, default_pool=True,
-                                    fip_disassociate=True)
+                                    create_fip=False)
 
     @decorators.attr(type='nsxv3')
     @decorators.idempotent_id('c5ac8546-6867-4b7a-8704-3844b11b1b43')