diff --git a/neutron/tests/tempest/api/test_allowed_address_pair.py b/neutron/tests/tempest/api/test_allowed_address_pair.py
index 88818b2..e4c499c 100644
--- a/neutron/tests/tempest/api/test_allowed_address_pair.py
+++ b/neutron/tests/tempest/api/test_allowed_address_pair.py
@@ -19,8 +19,6 @@
 from neutron.tests.tempest.api import base
 from neutron.tests.tempest import config
 
-CONF = config.CONF
-
 
 class AllowedAddressPairTestJSON(base.BaseNetworkTest):
 
diff --git a/neutron/tests/tempest/api/test_extensions.py b/neutron/tests/tempest/api/test_extensions.py
index 1defb33..28029d8 100644
--- a/neutron/tests/tempest/api/test_extensions.py
+++ b/neutron/tests/tempest/api/test_extensions.py
@@ -13,9 +13,6 @@
 from tempest import test
 
 from neutron.tests.tempest.api import base
-from neutron.tests.tempest import config
-
-CONF = config.CONF
 
 
 class ExtensionsTest(base.BaseNetworkTest):
diff --git a/neutron/tests/tempest/api/test_network_ip_availability.py b/neutron/tests/tempest/api/test_network_ip_availability.py
index 6a81128..324c3fd 100644
--- a/neutron/tests/tempest/api/test_network_ip_availability.py
+++ b/neutron/tests/tempest/api/test_network_ip_availability.py
@@ -24,8 +24,6 @@
 
 from neutron_lib import constants as lib_constants
 
-CONF = config.CONF
-
 # 3 IP addresses are taken from every total for IPv4 these are reserved
 DEFAULT_IP4_RESERVED = 3
 # 2 IP addresses are taken from every total for IPv6 these are reserved
diff --git a/neutron/tests/tempest/api/test_networks.py b/neutron/tests/tempest/api/test_networks.py
index d3967ea..2c2991a 100644
--- a/neutron/tests/tempest/api/test_networks.py
+++ b/neutron/tests/tempest/api/test_networks.py
@@ -16,9 +16,6 @@
 from tempest import test
 
 from neutron.tests.tempest.api import base
-from neutron.tests.tempest import config
-
-CONF = config.CONF
 
 
 class NetworksTestJSON(base.BaseNetworkTest):
diff --git a/neutron/tests/tempest/api/test_qos.py b/neutron/tests/tempest/api/test_qos.py
index bece71c..a2a9941 100644
--- a/neutron/tests/tempest/api/test_qos.py
+++ b/neutron/tests/tempest/api/test_qos.py
@@ -337,6 +337,13 @@
         obtained_policy = self.client.show_qos_policy(policy['id'])['policy']
         self.assertEqual(obtained_policy, policy)
 
+    @test.idempotent_id('aed8e2a6-22da-421b-89b9-935a2c1a1b50')
+    def test_policy_create_forbidden_for_regular_tenants(self):
+        self.assertRaises(
+            exceptions.Forbidden,
+            self.client.create_qos_policy,
+            'test-policy', 'test policy', False)
+
 
 class QosBandwidthLimitRuleTestJSON(base.BaseAdminNetworkTest):
     @classmethod
@@ -434,13 +441,6 @@
             self.create_qos_bandwidth_limit_rule,
             'policy', 200, 1337)
 
-    @test.idempotent_id('eed8e2a6-22da-421b-89b9-935a2c1a1b50')
-    def test_policy_create_forbidden_for_regular_tenants(self):
-        self.assertRaises(
-            exceptions.Forbidden,
-            self.client.create_qos_policy,
-            'test-policy', 'test policy', False)
-
     @test.idempotent_id('a4a2e7ad-786f-4927-a85a-e545a93bd274')
     def test_rule_create_forbidden_for_regular_tenants(self):
         self.assertRaises(
@@ -883,6 +883,162 @@
         self.assertNotIn(rule2['id'], rules_ids)
 
 
+class QosMinimumBandwidthRuleTestJSON(base.BaseAdminNetworkTest):
+    DIRECTION_EGRESS = "egress"
+    DIRECTION_INGRESS = "ingress"
+    RULE_NAME = qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH + "_rule"
+    RULES_NAME = RULE_NAME + "s"
+
+    @classmethod
+    @test.requires_ext(extension="qos", service="network")
+    def resource_setup(cls):
+        super(QosMinimumBandwidthRuleTestJSON, cls).resource_setup()
+
+    @test.idempotent_id('aa59b00b-3e9c-4787-92f8-93a5cdf5e378')
+    def test_rule_create(self):
+        policy = self.create_qos_policy(name='test-policy',
+                                        description='test policy',
+                                        shared=False)
+        rule = self.admin_client.create_minimum_bandwidth_rule(
+            policy_id=policy['id'],
+            direction=self.DIRECTION_EGRESS,
+            min_kbps=1138)[self.RULE_NAME]
+
+        # Test 'show rule'
+        retrieved_rule = self.admin_client.show_minimum_bandwidth_rule(
+            policy['id'], rule['id'])
+        retrieved_rule = retrieved_rule[self.RULE_NAME]
+        self.assertEqual(rule['id'], retrieved_rule['id'])
+        self.assertEqual(1138, retrieved_rule['min_kbps'])
+        self.assertEqual(self.DIRECTION_EGRESS, retrieved_rule['direction'])
+
+        # Test 'list rules'
+        rules = self.admin_client.list_minimum_bandwidth_rules(policy['id'])
+        rules = rules[self.RULES_NAME]
+        rules_ids = [r['id'] for r in rules]
+        self.assertIn(rule['id'], rules_ids)
+
+        # Test 'show policy'
+        retrieved_policy = self.admin_client.show_qos_policy(policy['id'])
+        policy_rules = retrieved_policy['policy']['rules']
+        self.assertEqual(1, len(policy_rules))
+        self.assertEqual(rule['id'], policy_rules[0]['id'])
+        self.assertEqual(qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH,
+                         policy_rules[0]['type'])
+
+    @test.idempotent_id('266d9b87-e51c-48bd-9aa7-8269573621be')
+    def test_rule_create_fail_for_missing_min_kbps(self):
+        policy = self.create_qos_policy(name='test-policy',
+                                        description='test policy',
+                                        shared=False)
+        self.assertRaises(exceptions.BadRequest,
+                          self.admin_client.create_minimum_bandwidth_rule,
+                          policy_id=policy['id'],
+                          direction=self.DIRECTION_EGRESS)
+
+    @test.idempotent_id('aa59b00b-ab01-4787-92f8-93a5cdf5e378')
+    def test_rule_create_fail_for_the_same_type(self):
+        policy = self.create_qos_policy(name='test-policy',
+                                        description='test policy',
+                                        shared=False)
+        self.admin_client.create_minimum_bandwidth_rule(
+            policy_id=policy['id'],
+            direction=self.DIRECTION_EGRESS, min_kbps=200)
+
+        self.assertRaises(exceptions.Conflict,
+                          self.admin_client.create_minimum_bandwidth_rule,
+                          policy_id=policy['id'],
+                          direction=self.DIRECTION_EGRESS, min_kbps=201)
+
+    @test.idempotent_id('d6fce764-e511-4fa6-9f86-f4b41cf142cf')
+    def test_rule_create_fail_for_direction_ingress(self):
+        policy = self.create_qos_policy(name='test-policy',
+                                        description='test policy',
+                                        shared=False)
+        self.assertRaises(exceptions.BadRequest,
+                          self.admin_client.create_minimum_bandwidth_rule,
+                          policy_id=policy['id'],
+                          direction=self.DIRECTION_INGRESS,
+                          min_kbps=201)
+
+    @test.idempotent_id('a49a6988-2568-47d2-931e-2dbc858943b3')
+    def test_rule_update(self):
+        policy = self.create_qos_policy(name='test-policy',
+                                        description='test policy',
+                                        shared=False)
+        rule = self.admin_client.create_minimum_bandwidth_rule(
+            policy_id=policy['id'],
+            direction=self.DIRECTION_EGRESS,
+            min_kbps=300)[self.RULE_NAME]
+
+        self.admin_client.update_minimum_bandwidth_rule(policy['id'],
+            rule['id'], min_kbps=350, direction=self.DIRECTION_EGRESS)
+
+        retrieved_policy = self.admin_client.show_minimum_bandwidth_rule(
+            policy['id'], rule['id'])
+        retrieved_policy = retrieved_policy[self.RULE_NAME]
+        self.assertEqual(350, retrieved_policy['min_kbps'])
+        self.assertEqual(self.DIRECTION_EGRESS, retrieved_policy['direction'])
+
+    @test.idempotent_id('a7ee6efd-7b33-4a68-927d-275b4f8ba958')
+    def test_rule_delete(self):
+        policy = self.create_qos_policy(name='test-policy',
+                                        description='test policy',
+                                        shared=False)
+        rule = self.admin_client.create_minimum_bandwidth_rule(
+            policy['id'], self.DIRECTION_EGRESS, min_kbps=200)[self.RULE_NAME]
+
+        retrieved_policy = self.admin_client.show_minimum_bandwidth_rule(
+            policy['id'], rule['id'])
+        retrieved_policy = retrieved_policy[self.RULE_NAME]
+        self.assertEqual(rule['id'], retrieved_policy['id'])
+
+        self.admin_client.delete_minimum_bandwidth_rule(policy['id'],
+                                                        rule['id'])
+        self.assertRaises(exceptions.NotFound,
+                          self.admin_client.show_minimum_bandwidth_rule,
+                          policy['id'], rule['id'])
+
+    @test.idempotent_id('a211222c-5808-46cb-a961-983bbab6b852')
+    def test_rule_create_rule_nonexistent_policy(self):
+        self.assertRaises(
+            exceptions.NotFound,
+            self.admin_client.create_minimum_bandwidth_rule,
+            'policy', self.DIRECTION_EGRESS, min_kbps=200)
+
+    @test.idempotent_id('b4a2e7ad-786f-4927-a85a-e545a93bd274')
+    def test_rule_create_forbidden_for_regular_tenants(self):
+        self.assertRaises(
+            exceptions.Forbidden,
+            self.client.create_minimum_bandwidth_rule,
+            'policy', self.DIRECTION_EGRESS, min_kbps=300)
+
+    @test.idempotent_id('de0bd0c2-54d9-4e29-85f1-cfb36ac3ebe2')
+    def test_get_rules_by_policy(self):
+        policy1 = self.create_qos_policy(name='test-policy1',
+                                         description='test policy1',
+                                         shared=False)
+        rule1 = self.admin_client.create_minimum_bandwidth_rule(
+            policy_id=policy1['id'],
+            direction=self.DIRECTION_EGRESS,
+            min_kbps=200)[self.RULE_NAME]
+
+        policy2 = self.create_qos_policy(name='test-policy2',
+                                         description='test policy2',
+                                         shared=False)
+        rule2 = self.admin_client.create_minimum_bandwidth_rule(
+            policy_id=policy2['id'],
+            direction=self.DIRECTION_EGRESS,
+            min_kbps=5000)[self.RULE_NAME]
+
+        # Test 'list rules'
+        rules = self.admin_client.list_minimum_bandwidth_rules(policy1['id'])
+        rules = rules[self.RULES_NAME]
+        rules_ids = [r['id'] for r in rules]
+        self.assertIn(rule1['id'], rules_ids)
+        self.assertNotIn(rule2['id'], rules_ids)
+
+
 class QosSearchCriteriaTest(base.BaseSearchCriteriaTest,
                             base.BaseAdminNetworkTest):
 
diff --git a/neutron/tests/tempest/api/test_revisions.py b/neutron/tests/tempest/api/test_revisions.py
index 92f7866..4284649 100644
--- a/neutron/tests/tempest/api/test_revisions.py
+++ b/neutron/tests/tempest/api/test_revisions.py
@@ -55,6 +55,17 @@
         updated = self.admin_client.update_subnetpool(sp['id'], name='sp2')
         self.assertGreater(updated['subnetpool']['revision'], sp['revision'])
 
+    @test.idempotent_id('e8c5d7db-2b8d-4567-a326-6e123437c4d1')
+    def test_update_subnet_bumps_network_revision(self):
+        net = self.create_network()
+        subnet = self.create_subnet(net)
+        updated = self.client.show_network(net['id'])
+        self.assertGreater(updated['network']['revision'], net['revision'])
+        self.client.delete_subnet(subnet['id'])
+        updated2 = self.client.show_network(net['id'])
+        self.assertGreater(updated2['network']['revision'],
+                           updated['network']['revision'])
+
     @test.idempotent_id('6c256f71-c929-4200-b3dc-4e1843506be5')
     @test.requires_ext(extension="security-group", service="network")
     def test_update_sg_group_bumps_revision(self):
diff --git a/neutron/tests/tempest/api/test_security_groups_negative.py b/neutron/tests/tempest/api/test_security_groups_negative.py
index 68b5fd0..43bc88c 100644
--- a/neutron/tests/tempest/api/test_security_groups_negative.py
+++ b/neutron/tests/tempest/api/test_security_groups_negative.py
@@ -17,9 +17,6 @@
 from tempest import test
 
 from neutron.tests.tempest.api import base_security_groups as base
-from neutron.tests.tempest import config
-
-CONF = config.CONF
 
 
 class NegativeSecGroupTest(base.BaseSecGroupTest):
diff --git a/neutron/tests/tempest/api/test_trunk.py b/neutron/tests/tempest/api/test_trunk.py
index c22c334..44adb7e 100644
--- a/neutron/tests/tempest/api/test_trunk.py
+++ b/neutron/tests/tempest/api/test_trunk.py
@@ -58,46 +58,69 @@
         trunks_cleanup(cls.client, cls.trunks)
         super(TrunkTestJSONBase, cls).resource_cleanup()
 
+    def _remove_timestamps(self, trunk):
+        # Let's make sure these fields exist, but let's not
+        # use them in the comparison, in case skews or
+        # roundups get in the way.
+        created_at = trunk.pop('created_at')
+        updated_at = trunk.pop('updated_at')
+        self.assertIsNotNone(created_at)
+        self.assertIsNotNone(updated_at)
+
     def _create_trunk_with_network_and_parent(self, subports, **kwargs):
         network = self.create_network()
         parent_port = self.create_port(network)
         trunk = self.client.create_trunk(parent_port['id'], subports, **kwargs)
         self.trunks.append(trunk['trunk'])
+        self._remove_timestamps(trunk['trunk'])
         return trunk
 
+    def _show_trunk(self, trunk_id):
+        trunk = self.client.show_trunk(trunk_id)
+        self._remove_timestamps(trunk['trunk'])
+        return trunk
+
+    def _list_trunks(self):
+        trunks = self.client.list_trunks()
+        for t in trunks['trunks']:
+            self._remove_timestamps(t)
+        return trunks
+
 
 class TrunkTestJSON(TrunkTestJSONBase):
 
+    def _test_create_trunk(self, subports):
+        trunk = self._create_trunk_with_network_and_parent(subports)
+        observed_trunk = self._show_trunk(trunk['trunk']['id'])
+        self.assertEqual(trunk, observed_trunk)
+
     @test.idempotent_id('e1a6355c-4768-41f3-9bf8-0f1d192bd501')
     def test_create_trunk_empty_subports_list(self):
-        trunk = self._create_trunk_with_network_and_parent([])
-        observed_trunk = self.client.show_trunk(trunk['trunk']['id'])
-        self.assertEqual(trunk, observed_trunk)
+        self._test_create_trunk([])
 
     @test.idempotent_id('382dfa39-ca03-4bd3-9a1c-91e36d2e3796')
     def test_create_trunk_subports_not_specified(self):
-        trunk = self._create_trunk_with_network_and_parent(None)
-        observed_trunk = self.client.show_trunk(trunk['trunk']['id'])
-        self.assertEqual(trunk, observed_trunk)
+        self._test_create_trunk(None)
 
     @test.idempotent_id('7de46c22-e2b6-4959-ac5a-0e624632ab32')
     def test_create_show_delete_trunk(self):
         trunk = self._create_trunk_with_network_and_parent(None)
         trunk_id = trunk['trunk']['id']
         parent_port_id = trunk['trunk']['port_id']
-        res = self.client.show_trunk(trunk_id)
+        res = self._show_trunk(trunk_id)
         self.assertEqual(trunk_id, res['trunk']['id'])
         self.assertEqual(parent_port_id, res['trunk']['port_id'])
         self.client.delete_trunk(trunk_id)
-        self.assertRaises(lib_exc.NotFound, self.client.show_trunk, trunk_id)
+        self.assertRaises(lib_exc.NotFound, self._show_trunk, trunk_id)
 
     @test.idempotent_id('4ce46c22-a2b6-4659-bc5a-0ef2463cab32')
     def test_create_update_trunk(self):
         trunk = self._create_trunk_with_network_and_parent(None)
         trunk_id = trunk['trunk']['id']
-        res = self.client.show_trunk(trunk_id)
+        res = self._show_trunk(trunk_id)
         self.assertTrue(res['trunk']['admin_state_up'])
         self.assertEqual("", res['trunk']['name'])
+        self.assertEqual("", res['trunk']['description'])
         res = self.client.update_trunk(
             trunk_id, name='foo', admin_state_up=False)
         self.assertFalse(res['trunk']['admin_state_up'])
@@ -105,13 +128,22 @@
         # enable the trunk so that it can be managed
         self.client.update_trunk(trunk_id, admin_state_up=True)
 
+    @test.idempotent_id('5ff46c22-a2b6-5559-bc5a-0ef2463cab32')
+    def test_create_update_trunk_with_description(self):
+        trunk = self._create_trunk_with_network_and_parent(
+            None, description="foo description")
+        trunk_id = trunk['trunk']['id']
+        self.assertEqual("foo description", trunk['trunk']['description'])
+        trunk = self.client.update_trunk(trunk_id, description='')
+        self.assertEqual('', trunk['trunk']['description'])
+
     @test.idempotent_id('73365f73-bed6-42cd-960b-ec04e0c99d85')
     def test_list_trunks(self):
         trunk1 = self._create_trunk_with_network_and_parent(None)
         trunk2 = self._create_trunk_with_network_and_parent(None)
         expected_trunks = {trunk1['trunk']['id']: trunk1['trunk'],
                            trunk2['trunk']['id']: trunk2['trunk']}
-        trunk_list = self.client.list_trunks()['trunks']
+        trunk_list = self._list_trunks()['trunks']
         matched_trunks = [x for x in trunk_list if x['id'] in expected_trunks]
         self.assertEqual(2, len(matched_trunks))
         for trunk in matched_trunks:
@@ -126,7 +158,7 @@
                      'segmentation_type': 'vlan',
                      'segmentation_id': 2}]
         self.client.add_subports(trunk['trunk']['id'], subports)
-        trunk = self.client.show_trunk(trunk['trunk']['id'])
+        trunk = self._show_trunk(trunk['trunk']['id'])
         observed_subports = trunk['trunk']['sub_ports']
         self.assertEqual(1, len(observed_subports))
         created_subport = observed_subports[0]
@@ -168,7 +200,7 @@
         self.assertEqual(expected_subport, res['sub_ports'][0])
 
         # Validate the results of a subport list
-        trunk = self.client.show_trunk(trunk['trunk']['id'])
+        trunk = self._show_trunk(trunk['trunk']['id'])
         observed_subports = trunk['trunk']['sub_ports']
         self.assertEqual(1, len(observed_subports))
         self.assertEqual(expected_subport, observed_subports[0])
diff --git a/neutron/tests/tempest/services/network/json/network_client.py b/neutron/tests/tempest/services/network/json/network_client.py
index 54a1fc3..d788687 100644
--- a/neutron/tests/tempest/services/network/json/network_client.py
+++ b/neutron/tests/tempest/services/network/json/network_client.py
@@ -55,6 +55,7 @@
             'metering_label_rules': 'metering',
             'policies': 'qos',
             'bandwidth_limit_rules': 'qos',
+            'minimum_bandwidth_rules': 'qos',
             'rule_types': 'qos',
             'rbac-policies': '',
         }
@@ -652,6 +653,53 @@
         self.expected_success(204, resp.status)
         return service_client.ResponseBody(resp, body)
 
+    def create_minimum_bandwidth_rule(self, policy_id, direction,
+                                      min_kbps=None):
+        uri = '%s/qos/policies/%s/minimum_bandwidth_rules' % (
+            self.uri_prefix, policy_id)
+        data = {
+            'direction': direction,
+        }
+        if min_kbps is not None:
+            data['min_kbps'] = min_kbps
+        post_data = self.serialize({'minimum_bandwidth_rule': data})
+        resp, body = self.post(uri, post_data)
+        self.expected_success(201, resp.status)
+        body = jsonutils.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def list_minimum_bandwidth_rules(self, policy_id):
+        uri = '%s/qos/policies/%s/minimum_bandwidth_rules' % (
+            self.uri_prefix, policy_id)
+        resp, body = self.get(uri)
+        body = self.deserialize_single(body)
+        self.expected_success(200, resp.status)
+        return service_client.ResponseBody(resp, body)
+
+    def show_minimum_bandwidth_rule(self, policy_id, rule_id):
+        uri = '%s/qos/policies/%s/minimum_bandwidth_rules/%s' % (
+            self.uri_prefix, policy_id, rule_id)
+        resp, body = self.get(uri)
+        body = self.deserialize_single(body)
+        self.expected_success(200, resp.status)
+        return service_client.ResponseBody(resp, body)
+
+    def update_minimum_bandwidth_rule(self, policy_id, rule_id, **kwargs):
+        uri = '%s/qos/policies/%s/minimum_bandwidth_rules/%s' % (
+            self.uri_prefix, policy_id, rule_id)
+        post_data = {'minimum_bandwidth_rule': kwargs}
+        resp, body = self.put(uri, jsonutils.dumps(post_data))
+        body = self.deserialize_single(body)
+        self.expected_success(200, resp.status)
+        return service_client.ResponseBody(resp, body)
+
+    def delete_minimum_bandwidth_rule(self, policy_id, rule_id):
+        uri = '%s/qos/policies/%s/minimum_bandwidth_rules/%s' % (
+            self.uri_prefix, policy_id, rule_id)
+        resp, body = self.delete(uri)
+        self.expected_success(204, resp.status)
+        return service_client.ResponseBody(resp, body)
+
     def list_qos_rule_types(self):
         uri = '%s/qos/rule-types' % self.uri_prefix
         resp, body = self.get(uri)
@@ -660,7 +708,8 @@
         return service_client.ResponseBody(resp, body)
 
     def create_trunk(self, parent_port_id, subports,
-                     tenant_id=None, name=None, admin_state_up=None):
+                     tenant_id=None, name=None, admin_state_up=None,
+                     description=None):
         uri = '%s/trunks' % self.uri_prefix
         post_data = {
             'trunk': {
@@ -673,6 +722,8 @@
             post_data['trunk']['tenant_id'] = tenant_id
         if name is not None:
             post_data['trunk']['name'] = name
+        if description is not None:
+            post_data['trunk']['description'] = description
         if admin_state_up is not None:
             post_data['trunk']['admin_state_up'] = admin_state_up
         resp, body = self.post(uri, self.serialize(post_data))