diff --git a/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py b/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py
index 2b0f268..b08df97 100644
--- a/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py
+++ b/tempest/api/compute/floating_ips/test_floating_ips_actions_negative.py
@@ -89,7 +89,7 @@
     @test.services('network')
     def test_associate_ip_to_server_without_passing_floating_ip(self):
         # Negative test:Association of empty floating IP to specific server
-        # should raise NotFound exception
-        self.assertRaises(exceptions.NotFound,
+        # should raise NotFound or BadRequest(In case of Nova V2.1) exception.
+        self.assertRaises((exceptions.NotFound, exceptions.BadRequest),
                           self.client.associate_floating_ip_to_server,
                           '', self.server_id)
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index 1a82e78..dc82217 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -60,7 +60,7 @@
         self.sec_grp = self._create_security_group(tenant_id=self.tenant_id)
         self.srv_kwargs = {
             'key_name': self.keypair['name'],
-            'security_groups': [self.sec_grp]}
+            'security_groups': [{'name': self.sec_grp['name']}]}
 
     def prepare_network(self, address6_mode):
         """Creates network with
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index de6b0f9..83739fd 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -70,7 +70,7 @@
             * test that cross-tenant traffic is enabled once an appropriate
             rule has been created on destination tenant.
             * test that reverse traffic is still blocked
-            * test than revesre traffic is enabled once an appropriate rule has
+            * test than reverse traffic is enabled once an appropriate rule has
             been created on source tenant
         7._test_port_update_new_security_group:
            * test that traffic is blocked with default security group
@@ -85,7 +85,7 @@
             to it, and cross tenant check will be done on the private IP of the
             destination tenant
             or
-            * not defined (empty string), in which case each tanant will have
+            * not defined (empty string), in which case each tenant will have
             its own router connected to the public network
     """
 
@@ -466,7 +466,7 @@
     def test_port_update_new_security_group(self):
         """
         This test verifies the traffic after updating the vm port with new
-        security group having appropiate rule.
+        security group having appropriate rule.
         """
         new_tenant = self.primary_tenant