diff --git a/designate_tempest_plugin/clients.py b/designate_tempest_plugin/clients.py
index 87b43c4..43ec5a7 100644
--- a/designate_tempest_plugin/clients.py
+++ b/designate_tempest_plugin/clients.py
@@ -47,6 +47,8 @@
     import TransferAcceptClient
 from designate_tempest_plugin.services.dns.v2.json.tsigkey_client \
     import TsigkeyClient
+from designate_tempest_plugin.services.dns.v2.json.service_client \
+    import SevriceClient
 
 CONF = config.CONF
 
@@ -93,6 +95,7 @@
         self.transfer_request_client = TransferRequestClient(**params)
         self.transfer_accept_client = TransferAcceptClient(**params)
         self.tsigkey_client = TsigkeyClient(**params)
+        self.service_client = SevriceClient(**params)
 
         self.query_client = QueryClient(
             nameservers=CONF.dns.nameservers,
diff --git a/designate_tempest_plugin/common/constants.py b/designate_tempest_plugin/common/constants.py
new file mode 100644
index 0000000..7ebcc87
--- /dev/null
+++ b/designate_tempest_plugin/common/constants.py
@@ -0,0 +1,16 @@
+# Copyright 2021 Red Hat.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+# API statuses
+UP = 'UP'
diff --git a/designate_tempest_plugin/services/dns/v2/json/service_client.py b/designate_tempest_plugin/services/dns/v2/json/service_client.py
new file mode 100644
index 0000000..fd24047
--- /dev/null
+++ b/designate_tempest_plugin/services/dns/v2/json/service_client.py
@@ -0,0 +1,27 @@
+# Copyright 2021 Red Hat.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+from designate_tempest_plugin.services.dns.v2.json import base
+
+
+class SevriceClient(base.DnsClientV2Base):
+
+    @base.handle_errors
+    def list_statuses(self, headers=None):
+        """List all Services and statuses
+
+        :param headers: (dict): The headers to use for the request.
+        :return: Serialized service statuses as a list.
+        """
+        return self._list_request(
+            'service_statuses', headers=headers)[1]['service_statuses']
diff --git a/designate_tempest_plugin/services/dns/v2/json/transfer_accepts_client.py b/designate_tempest_plugin/services/dns/v2/json/transfer_accepts_client.py
index fe0fd0f..a0612e9 100644
--- a/designate_tempest_plugin/services/dns/v2/json/transfer_accepts_client.py
+++ b/designate_tempest_plugin/services/dns/v2/json/transfer_accepts_client.py
@@ -47,3 +47,15 @@
         """
         return self._show_request(
             'zones/tasks/transfer_accepts', uuid, params=params)
+
+    @base.handle_errors
+    def list_transfer_accept(self, params=None, headers=None):
+        """Lists all accepted zone transfers.
+        :param params: A Python dict that represents the query paramaters to
+                       include in the accept URI.
+        :param headers (dict): The headers to use for the request.
+        :return: List of accepted zone transfers
+        """
+        return self._list_request(
+            'zones/tasks/transfer_accepts', params=params,
+            headers=headers)[1]['transfer_accepts']
diff --git a/designate_tempest_plugin/services/dns/v2/json/transfer_request_client.py b/designate_tempest_plugin/services/dns/v2/json/transfer_request_client.py
index f494cde..9523175 100644
--- a/designate_tempest_plugin/services/dns/v2/json/transfer_request_client.py
+++ b/designate_tempest_plugin/services/dns/v2/json/transfer_request_client.py
@@ -60,26 +60,30 @@
         return resp, body
 
     @base.handle_errors
-    def show_transfer_request(self, uuid, params=None):
+    def show_transfer_request(self, uuid, params=None, headers=None):
         """Gets a specific transfer_requestsed zone.
         :param uuid: Unique identifier of the transfer_requestsed zone in
                      UUID format.
         :param params: A Python dict that represents the query paramaters to
                        include in the request URI.
+
+        :param headers (dict): The headers to use for the request.
         :return: Serialized transfer_requestsed zone as a dictionary.
         """
         return self._show_request(
-            'zones/tasks/transfer_requests', uuid, params=params)
+            'zones/tasks/transfer_requests', uuid,
+            params=params, headers=headers)
 
     @base.handle_errors
-    def list_transfer_requests(self, params=None):
+    def list_transfer_requests(self, params=None, headers=None):
         """Gets all the transfer_requestsed zones
         :param params: A Python dict that represents the query paramaters to
                        include in the request URI.
+        :param headers (dict): The headers to use for the request.
         :return: Serialized transfer_requestsed zone as a list.
         """
         return self._list_request(
-            'zones/tasks/transfer_requests', params=params)
+            'zones/tasks/transfer_requests', params=params, headers=headers)
 
     @base.handle_errors
     def delete_transfer_request(self, uuid, params=None):
diff --git a/designate_tempest_plugin/services/dns/v2/json/zones_client.py b/designate_tempest_plugin/services/dns/v2/json/zones_client.py
index db039e3..9c5c056 100644
--- a/designate_tempest_plugin/services/dns/v2/json/zones_client.py
+++ b/designate_tempest_plugin/services/dns/v2/json/zones_client.py
@@ -23,7 +23,7 @@
 
     @base.handle_errors
     def create_zone(self, name=None, email=None, ttl=None, description=None,
-                    wait_until=False, params=None):
+                    attributes=None, wait_until=False, params=None):
         """Create a zone with the specified parameters.
 
         :param name: The name of the zone.
@@ -34,6 +34,10 @@
             Default: Random Value
         :param description: A description of the zone.
             Default: Random Value
+        :param attributes: Key:Value pairs of information about this zone,
+               and the pool the user would like to place the zone in.
+               This information can be used by the scheduler to place
+               zones on the correct pool.
         :param wait_until: Block until the zone reaches the desiered status
         :param params: A Python dict that represents the query paramaters to
                        include in the request URI.
@@ -44,6 +48,8 @@
             'email': email or dns_data_utils.rand_email(),
             'ttl': ttl or dns_data_utils.rand_ttl(),
             'description': description or data_utils.rand_name('test-zone'),
+            'attributes': attributes or {
+                'attribute_key': data_utils.rand_name('attribute_value')}
         }
 
         resp, body = self._create_request('zones', zone, params=params)
diff --git a/designate_tempest_plugin/tests/api/v2/test_recordset.py b/designate_tempest_plugin/tests/api/v2/test_recordset.py
index 53d148d..a0e24a8 100644
--- a/designate_tempest_plugin/tests/api/v2/test_recordset.py
+++ b/designate_tempest_plugin/tests/api/v2/test_recordset.py
@@ -435,35 +435,55 @@
         recordsets_created = {}
         for client in clients_list:
             if client == 'primary':
+                # Create a zone and wait till it's ACTIVE
                 zone = self.zone_client.create_zone()[1]
                 self.addCleanup(self.wait_zone_delete,
                                 self.zone_client,
                                 zone['id'])
+                waiters.wait_for_zone_status(
+                    self.zone_client, zone['id'], 'ACTIVE')
+
+                # Create a recordset and wait till it's ACTIVE
                 recordset_data = data_utils.rand_recordset_data(
                     record_type='A', zone_name=zone['name'])
                 resp, body = self.client.create_recordset(
                     zone['id'], recordset_data)
                 self.assertEqual('PENDING', body['status'],
                                  'Failed, expected status is PENDING')
-                waiters.wait_for_zone_status(
-                    self.zone_client, zone['id'], 'ACTIVE')
+                LOG.info('Wait until the recordset is active')
+                waiters.wait_for_recordset_status(
+                    self.client, zone['id'],
+                    body['id'], 'ACTIVE')
+
+                # Add "project_id" into the recordset_data
                 recordset_data['project_id'] = zone['project_id']
                 recordsets_created['primary'] = recordset_data
+
             if client == 'alt':
+                # Create a zone and wait till it's ACTIVE
                 alt_zone = self.alt_zone_client.create_zone()[1]
                 self.addCleanup(self.wait_zone_delete,
                                 self.alt_zone_client,
                                 alt_zone['id'])
+                waiters.wait_for_zone_status(
+                    self.alt_zone_client, alt_zone['id'], 'ACTIVE')
+
+                # Create a recordset and wait till it's ACTIVE
                 recordset_data = data_utils.rand_recordset_data(
                     record_type='A', zone_name=alt_zone['name'])
                 resp, body = self.alt_client.create_recordset(
                     alt_zone['id'], recordset_data)
                 self.assertEqual('PENDING', body['status'],
                                  'Failed, expected status is PENDING')
-                waiters.wait_for_zone_status(
-                    self.alt_zone_client, alt_zone['id'], 'ACTIVE')
+                LOG.info('Wait until the recordset is active')
+                waiters.wait_for_recordset_status(
+                    self.alt_client, alt_zone['id'],
+                    body['id'], 'ACTIVE')
+
+                # Add "project_id" into the recordset_data
                 recordset_data['project_id'] = alt_zone['project_id']
                 recordsets_created['alt'] = recordset_data
+
         return recordsets_created
 
     @decorators.idempotent_id('9c0f58ad-1b31-4899-b184-5380720604e5')
diff --git a/designate_tempest_plugin/tests/api/v2/test_service_statuses.py b/designate_tempest_plugin/tests/api/v2/test_service_statuses.py
new file mode 100644
index 0000000..68396c5
--- /dev/null
+++ b/designate_tempest_plugin/tests/api/v2/test_service_statuses.py
@@ -0,0 +1,66 @@
+# Copyright 2021 Red Hat.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+from oslo_log import log as logging
+from designate_tempest_plugin.common import constants as const
+from tempest import config
+from tempest.lib import decorators
+
+from designate_tempest_plugin.tests import base
+
+LOG = logging.getLogger(__name__)
+
+
+CONF = config.CONF
+
+
+class ServiceStatus(base.BaseDnsV2Test):
+
+    credentials = ['primary', 'admin']
+
+    @classmethod
+    def setup_credentials(cls):
+        # Do not create network resources for these test.
+        cls.set_network_resources()
+        super(ServiceStatus, cls).setup_credentials()
+
+    @classmethod
+    def setup_clients(cls):
+        super(ServiceStatus, cls).setup_clients()
+
+        cls.client = cls.os_primary.service_client
+        cls.admin_client = cls.os_admin.service_client
+
+    @decorators.idempotent_id('bf277a76-8583-11eb-a557-74e5f9e2a801')
+    def test_list_service_statuses(self):
+
+        services_statuses_tup = [
+            (item['service_name'],
+             item['status']) for item in self.admin_client.list_statuses()]
+        LOG.info("Listed service tuples: (name,status)' are:{} ".format(
+            services_statuses_tup))
+
+        LOG.info('Make sure that all expected/mandatory services are '
+                 'listed in API response.')
+        expected_services = ['central', 'mdns', 'worker', 'producer']
+        for service in expected_services:
+            self.assertIn(
+                service, [item[0] for item in services_statuses_tup],
+                "Failed, expected service: {} wasn't detected in API "
+                "response".format(service))
+
+        LOG.info('Make sure that all listed services are in UP status.')
+        self.assertEqual(
+            {const.UP}, set([item[1] for item in services_statuses_tup]),
+            "Failed, not all listed services are in UP status, "
+            "services: {}".format(services_statuses_tup))
diff --git a/designate_tempest_plugin/tests/api/v2/test_transfer_accepts.py b/designate_tempest_plugin/tests/api/v2/test_transfer_accepts.py
index 70c9e30..1f7c1e1 100644
--- a/designate_tempest_plugin/tests/api/v2/test_transfer_accepts.py
+++ b/designate_tempest_plugin/tests/api/v2/test_transfer_accepts.py
@@ -13,6 +13,7 @@
 #    under the License.
 from oslo_log import log as logging
 from tempest.lib import decorators
+from tempest.lib import exceptions as lib_exc
 
 from designate_tempest_plugin.tests import base
 
@@ -25,6 +26,8 @@
 
 
 class TransferAcceptTest(BaseTransferAcceptTest):
+    credentials = ['primary', 'alt', 'admin']
+
     @classmethod
     def setup_credentials(cls):
         # Do not create network resources for these test.
@@ -35,20 +38,32 @@
     def setup_clients(cls):
         super(TransferAcceptTest, cls).setup_clients()
 
-        cls.zone_client = cls.os_primary.zones_client
-        cls.request_client = cls.os_primary.transfer_request_client
-        cls.client = cls.os_primary.transfer_accept_client
+        # Primary clients
+        cls.prm_zone_client = cls.os_primary.zones_client
+        cls.prm_request_client = cls.os_primary.transfer_request_client
+        cls.prm_accept_client = cls.os_primary.transfer_accept_client
+
+        # Alt clients
+        cls.alt_zone_client = cls.os_alt.zones_client
+        cls.alt_request_client = cls.os_alt.transfer_request_client
+        cls.alt_accept_client = cls.os_alt.transfer_accept_client
+
+        # Admin clients
+        cls.admin_zone_client = cls.os_admin.zones_client
+        cls.admin_request_client = cls.os_admin.transfer_request_client
+        cls.admin_accept_client = cls.os_admin.transfer_accept_client
 
     @decorators.idempotent_id('1c6baf97-a83e-4d2e-a5d8-9d37fb7808f3')
     def test_create_transfer_accept(self):
         LOG.info('Create a zone')
-        _, zone = self.zone_client.create_zone()
-        self.addCleanup(self.wait_zone_delete, self.zone_client, zone['id'])
+        _, zone = self.prm_zone_client.create_zone()
+        self.addCleanup(
+            self.wait_zone_delete, self.prm_zone_client, zone['id'])
 
         LOG.info('Create a zone transfer_request')
-        _, transfer_request = self.request_client.create_transfer_request(
-                                  zone['id'])
-        self.addCleanup(self.request_client.delete_transfer_request,
+        _, transfer_request = self.prm_request_client.create_transfer_request(
+            zone['id'])
+        self.addCleanup(self.prm_request_client.delete_transfer_request,
                         transfer_request['id'])
 
         data = {
@@ -56,7 +71,8 @@
                  "zone_transfer_request_id": transfer_request['id']
         }
         LOG.info('Create a zone transfer_accept')
-        _, transfer_accept = self.client.create_transfer_accept(data)
+        _, transfer_accept = self.prm_accept_client.create_transfer_accept(
+            data)
 
         LOG.info('Ensure we respond with ACTIVE status')
         self.assertEqual('COMPLETE', transfer_accept['status'])
@@ -64,13 +80,14 @@
     @decorators.idempotent_id('37c6afbb-3ea3-4fd8-94ea-a426244f019a')
     def test_show_transfer_accept(self):
         LOG.info('Create a zone')
-        _, zone = self.zone_client.create_zone()
-        self.addCleanup(self.wait_zone_delete, self.zone_client, zone['id'])
+        _, zone = self.prm_zone_client.create_zone()
+        self.addCleanup(
+            self.wait_zone_delete, self.prm_zone_client, zone['id'])
 
         LOG.info('Create a zone transfer_request')
-        _, transfer_request = self.request_client.create_transfer_request(
+        _, transfer_request = self.prm_request_client.create_transfer_request(
                                   zone['id'])
-        self.addCleanup(self.request_client.delete_transfer_request,
+        self.addCleanup(self.prm_request_client.delete_transfer_request,
                         transfer_request['id'])
 
         data = {
@@ -79,11 +96,123 @@
         }
 
         LOG.info('Create a zone transfer_accept')
-        _, transfer_accept = self.client.create_transfer_accept(data)
+        _, transfer_accept = self.prm_accept_client.create_transfer_accept(
+            data)
 
         LOG.info('Fetch the transfer_accept')
-        _, body = self.client.show_transfer_accept(transfer_accept['id'])
+        _, body = self.prm_accept_client.show_transfer_accept(
+            transfer_accept['id'])
 
         LOG.info('Ensure the fetched response matches the '
                  'created transfer_accept')
         self.assertExpected(transfer_accept, body, self.excluded_keys)
+
+    @decorators.idempotent_id('89b516f0-8c9f-11eb-a322-74e5f9e2a801')
+    def test_ownership_transferred_zone(self):
+
+        LOG.info('Create a Primary zone')
+        zone = self.prm_zone_client.create_zone()[1]
+        self.addCleanup(self.wait_zone_delete, self.prm_zone_client,
+                        zone['id'], ignore_errors=lib_exc.NotFound)
+
+        LOG.info('Create a Primary zone transfer_request')
+        transfer_request = self.prm_request_client.create_transfer_request(
+            zone['id'])[1]
+        self.addCleanup(self.prm_request_client.delete_transfer_request,
+                        transfer_request['id'])
+
+        data = {
+            "key": transfer_request['key'],
+            "zone_transfer_request_id": transfer_request['id']
+        }
+        LOG.info('Create an Alt zone transfer_accept')
+        transfer_accept = self.alt_accept_client.create_transfer_accept(
+            data)[1]
+
+        LOG.info('Ensure we respond with ACTIVE status')
+        self.assertEqual('COMPLETE', transfer_accept['status'])
+
+        # Make sure that the "project_id" of transferred zone has been changed
+        alt_transferred_zone = self.alt_zone_client.show_zone(zone['id'])[1]
+
+        self.assertNotEqual(
+            zone['project_id'], alt_transferred_zone['project_id'],
+            'Failed, shown "project_id" for a transferred zone:{} should be '
+            'different than the original "project_id" used in '
+            'creation {}:'.format(
+                alt_transferred_zone['project_id'], zone['project_id']))
+
+    @decorators.idempotent_id('0fcd314c-8cae-11eb-a322-74e5f9e2a801')
+    def test_list_transfer_accepts(self):
+        """Test list API including filtering result option"""
+
+        number_of_zones_to_transfer = 3
+        transfer_request_ids = []
+        for _ in range(number_of_zones_to_transfer):
+
+            LOG.info('Create a Primary zone')
+            zone = self.prm_zone_client.create_zone()[1]
+            self.addCleanup(self.wait_zone_delete, self.prm_zone_client,
+                            zone['id'], ignore_errors=lib_exc.NotFound)
+
+            LOG.info('Create a Primary zone transfer_request')
+            transfer_request = self.prm_request_client.create_transfer_request(
+                zone['id'])[1]
+            self.addCleanup(self.prm_request_client.delete_transfer_request,
+                            transfer_request['id'])
+
+            data = {
+                "key": transfer_request['key'],
+                "zone_transfer_request_id": transfer_request['id']
+            }
+            LOG.info('Create an Alt zone transfer_accept')
+            transfer_accept = self.alt_accept_client.create_transfer_accept(
+                data)[1]
+
+            LOG.info('Ensure we respond with ACTIVE status')
+            self.assertEqual('COMPLETE', transfer_accept['status'])
+            transfer_request_ids.append(transfer_accept['id'])
+
+        # As Admin list all accepted zone transfers, expected:
+        # each previously transferred zone is listed.
+        LOG.info('Use Admin client to list all "accepted zone transfers"')
+        admin_client_accept_ids = [
+            item['id'] for item in
+            self.admin_accept_client.list_transfer_accept(
+                headers={'x-auth-all-projects': True})]
+        for tr_id in transfer_request_ids:
+            self.assertIn(
+                tr_id, admin_client_accept_ids,
+                'Failed, expected transfer accept ID:{} is not listed in'
+                ' transfer accept IDs:{} '.format(tr_id, transfer_request_ids))
+
+        # As Admin list all accepted zone transfers in COMPLETE status only,
+        # expected: each previously transferred zone is listed.
+        LOG.info('Use Admin client to list all "accepted zone transfers", '
+                 'filter COMPLETE status only accepts.')
+        admin_client_accept_ids = [
+            item['id'] for item in
+            self.admin_accept_client.list_transfer_accept(
+                headers={'x-auth-all-projects': True},
+                params={'status': 'COMPLETE'})]
+        for tr_id in transfer_request_ids:
+            self.assertIn(
+                tr_id, admin_client_accept_ids,
+                'Failed, expected transfer accept ID:{} is not listed in'
+                ' transfer accept IDs:{} '.format(
+                    tr_id, transfer_request_ids))
+
+        # As Admin list all accepted zone transfers in "non existing" status,
+        # expected: received list is empty.
+        not_existing_status = 'zahlabut'
+        LOG.info('Use Admin client to list all "accepted zone transfers", '
+                 'filter {} status only accepts.'.format(not_existing_status))
+        admin_client_accept_ids = [
+            item['id'] for item in
+            self.admin_accept_client.list_transfer_accept(
+                headers={'x-auth-all-projects': True},
+                params={'status': not_existing_status})]
+        self.assertEmpty(
+            admin_client_accept_ids,
+            "Failed, filtered list should be empty, but actually it's not, "
+            "filtered IDs:{} ".format(admin_client_accept_ids))
diff --git a/designate_tempest_plugin/tests/api/v2/test_transfer_request.py b/designate_tempest_plugin/tests/api/v2/test_transfer_request.py
index bae2510..666fd79 100644
--- a/designate_tempest_plugin/tests/api/v2/test_transfer_request.py
+++ b/designate_tempest_plugin/tests/api/v2/test_transfer_request.py
@@ -27,7 +27,7 @@
 
 
 class TransferRequestTest(BaseTransferRequestTest):
-    credentials = ['primary', 'alt']
+    credentials = ['primary', 'alt', 'admin']
 
     @classmethod
     def setup_credentials(cls):
@@ -40,8 +40,10 @@
         super(TransferRequestTest, cls).setup_clients()
 
         cls.zone_client = cls.os_primary.zones_client
+        cls.alt_zone_client = cls.os_alt.zones_client
         cls.client = cls.os_primary.transfer_request_client
         cls.alt_client = cls.os_alt.transfer_request_client
+        cls.admin_client = cls.os_admin.transfer_request_client
 
     @decorators.idempotent_id('2381d489-ad84-403d-b0a2-8b77e4e966bf')
     def test_create_transfer_request(self):
@@ -107,6 +109,34 @@
                  'created transfer_request')
         self.assertExpected(transfer_request, body, self.excluded_keys)
 
+    @decorators.idempotent_id('5bed4582-9cfb-11eb-a160-74e5f9e2a801')
+    @decorators.skip_because(bug="1926572")
+    def test_show_transfer_request_impersonate_another_project(self):
+        LOG.info('Create a zone')
+        zone = self.zone_client.create_zone()[1]
+        self.addCleanup(self.wait_zone_delete, self.zone_client, zone['id'])
+
+        LOG.info('Create a zone transfer_request')
+        transfer_request = self.client.create_transfer_request(zone['id'])[1]
+        self.addCleanup(self.client.delete_transfer_request,
+                        transfer_request['id'])
+
+        LOG.info('As Admin tenant fetch the transfer_request without using '
+                 '"x-auth-sudo-project-id" HTTP header. Expected: 404')
+        self.assertRaises(lib_exc.NotFound,
+                          lambda: self.admin_client.show_transfer_request(
+                              transfer_request['id']))
+
+        LOG.info('As Admin tenant fetch the transfer_request using '
+                 '"x-auth-sudo-project-id" HTTP header.')
+        body = self.admin_client.show_transfer_request(
+            transfer_request['id'],
+            headers={'x-auth-sudo-project-id': zone['project_id']})[1]
+
+        LOG.info('Ensure the fetched response matches the '
+                 'created transfer_request')
+        self.assertExpected(transfer_request, body, self.excluded_keys)
+
     @decorators.idempotent_id('235ded87-0c47-430b-8cad-4f3194b927a6')
     def test_show_transfer_request_as_target(self):
         # Checks the target of a scoped transfer request can see
@@ -166,6 +196,48 @@
 
         self.assertGreater(len(body['transfer_requests']), 0)
 
+    @decorators.idempotent_id('db985892-9d02-11eb-a160-74e5f9e2a801')
+    def test_list_transfer_requests_all_projects(self):
+        LOG.info('Create a Primary zone')
+        primary_zone = self.zone_client.create_zone()[1]
+        self.addCleanup(self.wait_zone_delete,
+                        self.zone_client, primary_zone['id'])
+
+        LOG.info('Create an Alt zone')
+        alt_zone = self.alt_zone_client.create_zone()[1]
+        self.addCleanup(self.wait_zone_delete,
+                        self.alt_zone_client, alt_zone['id'])
+
+        LOG.info('Create a zone transfer_request using Primary client')
+        primary_transfer_request = self.client.create_transfer_request(
+            primary_zone['id'])[1]
+        self.addCleanup(self.client.delete_transfer_request,
+                        primary_transfer_request['id'])
+
+        LOG.info('Create a zone transfer_request using Alt client')
+        alt_transfer_request = self.alt_client.create_transfer_request(
+            alt_zone['id'])[1]
+        self.addCleanup(self.alt_client.delete_transfer_request,
+                        alt_transfer_request['id'])
+
+        LOG.info('List transfer_requests for all projects using Admin tenant '
+                 'without "x-auth-all-projects" HTTP header. '
+                 'Expected: empty list')
+        self.assertEqual([], self.admin_client.list_transfer_requests()[1][
+            'transfer_requests'], 'Failed, requests list is not empty')
+
+        LOG.info('List transfer_requests for all projects using Admin tenant '
+                 'and "x-auth-all-projects" HTTP header.')
+        request_ids = [
+            item['id'] for item in self.admin_client.list_transfer_requests(
+                headers={'x-auth-all-projects': True})[1]['transfer_requests']]
+
+        for request_id in [primary_transfer_request['id'],
+                           alt_transfer_request['id']]:
+            self.assertIn(request_id, request_ids,
+                          "Failed, transfer request ID:{} wasn't found in "
+                          "listed IDs{}".format(request_id, request_ids))
+
     @decorators.idempotent_id('de5e9d32-c723-4518-84e5-58da9722cc13')
     def test_update_transfer_request(self):
         LOG.info('Create a zone')
diff --git a/designate_tempest_plugin/tests/api/v2/test_zones.py b/designate_tempest_plugin/tests/api/v2/test_zones.py
index fb8c7fe..94e162f 100644
--- a/designate_tempest_plugin/tests/api/v2/test_zones.py
+++ b/designate_tempest_plugin/tests/api/v2/test_zones.py
@@ -11,6 +11,7 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations
 # under the License.
+import uuid
 from oslo_log import log as logging
 from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
@@ -63,6 +64,18 @@
         LOG.info('Ensure the fetched response matches the created zone')
         self.assertExpected(zone, body, self.excluded_keys)
 
+    @decorators.idempotent_id('49268b24-92de-11eb-9d02-74e5f9e2a801')
+    def test_show_not_existing_zone(self):
+        LOG.info('Fetch non existing zone')
+        self.assertRaises(lib_exc.NotFound,
+            lambda: self.client.show_zone(uuid.uuid1()))
+
+    @decorators.idempotent_id('736e3b50-92e0-11eb-9d02-74e5f9e2a801')
+    def test_use_invalid_id_to_show_zone(self):
+        LOG.info('Fetch the zone using invalid zone ID')
+        with self.assertRaisesDns(lib_exc.BadRequest, 'invalid_uuid', 400):
+            self.client.show_zone(uuid='zahlabut')
+
     @decorators.attr(type='smoke')
     @decorators.idempotent_id('a4791906-6cd6-4d27-9f15-32273db8bb3d')
     def test_delete_zone(self):
@@ -78,6 +91,12 @@
         self.assertEqual('DELETE', body['action'])
         self.assertEqual('PENDING', body['status'])
 
+    @decorators.idempotent_id('79921370-92e1-11eb-9d02-74e5f9e2a801')
+    def test_delete_non_existing_zone(self):
+        LOG.info('Delete non existing zone')
+        self.assertRaises(lib_exc.NotFound,
+            lambda: self.client.delete_zone(uuid.uuid1()))
+
     @decorators.idempotent_id('5bfa3cfe-5bc8-443b-bf48-cfba44cbb247')
     def test_list_zones(self):
         LOG.info('Create a zone')
@@ -111,6 +130,13 @@
         LOG.info('Ensure we respond with updated values')
         self.assertEqual(description, zone['description'])
 
+    @decorators.idempotent_id('e391e30a-92e0-11eb-9d02-74e5f9e2a801')
+    def test_update_non_existing_zone(self):
+        LOG.info('Update non existing zone')
+        self.assertRaises(lib_exc.NotFound,
+            lambda: self.client.update_zone(
+                uuid.uuid1(), description=data_utils.rand_name()))
+
     @decorators.idempotent_id('925192f2-0ed8-4591-8fe7-a9fa028f90a0')
     def test_list_zones_dot_json_fails(self):
         uri = self.client.get_uri('zones.json')
diff --git a/designate_tempest_plugin/tests/scenario/v2/test_zones_transfer.py b/designate_tempest_plugin/tests/scenario/v2/test_zones_transfer.py
index c12bd96..88e9c8f 100644
--- a/designate_tempest_plugin/tests/scenario/v2/test_zones_transfer.py
+++ b/designate_tempest_plugin/tests/scenario/v2/test_zones_transfer.py
@@ -16,22 +16,25 @@
 from tempest.lib import exceptions as lib_exc
 
 from designate_tempest_plugin.tests import base
+from designate_tempest_plugin import data_utils as dns_data_utils
 
 LOG = logging.getLogger(__name__)
 
 
 class ZonesTransferTest(base.BaseDnsV2Test):
-    credentials = ['primary', 'alt']
+    credentials = ['primary', 'alt', 'admin']
 
     @classmethod
     def setup_clients(cls):
         super(ZonesTransferTest, cls).setup_clients()
         cls.zones_client = cls.os_primary.zones_client
         cls.alt_zones_client = cls.os_alt.zones_client
+        cls.admin_zones_client = cls.os_admin.zones_client
         cls.request_client = cls.os_primary.transfer_request_client
         cls.alt_request_client = cls.os_alt.transfer_request_client
         cls.accept_client = cls.os_primary.transfer_accept_client
         cls.alt_accept_client = cls.os_alt.transfer_accept_client
+        cls.admin_accept_client = cls.os_admin.transfer_accept_client
 
     @decorators.idempotent_id('60bd80ac-c979-4686-9a03-f2f775f272ab')
     def test_zone_transfer(self):
@@ -63,3 +66,43 @@
         LOG.info('Ensure 404 when fetching the zone as primary tenant')
         self.assertRaises(lib_exc.NotFound,
             lambda: self.zones_client.show_zone(zone['id']))
+
+        LOG.info('Accept the request as admin tenant, should fail '
+                 'with: "invalid_zone_transfer_request"')
+        with self.assertRaisesDns(
+                lib_exc.BadRequest, 'invalid_zone_transfer_request', 400):
+            self.admin_accept_client.create_transfer_accept(accept_data)
+
+    @decorators.idempotent_id('5855b772-a036-11eb-9973-74e5f9e2a801')
+    def test_zone_transfer_target_project(self):
+        LOG.info('Create a zone as "primary" tenant')
+        zone = self.zones_client.create_zone()[1]
+
+        LOG.info('Create transfer_request with target project set to '
+                 '"Admin" tenant')
+        transfer_request_data = dns_data_utils.rand_transfer_request_data(
+            target_project_id=self.os_admin.credentials.project_id)
+        transfer_request = self.request_client.create_transfer_request(
+            zone['id'], transfer_request_data)[1]
+        self.addCleanup(self.request_client.delete_transfer_request,
+                        transfer_request['id'])
+        LOG.info('Ensure we respond with ACTIVE status')
+        self.assertEqual('ACTIVE', transfer_request['status'])
+
+        LOG.info('Accept the request as "alt" tenant, Expected: should fail '
+                 'as "admin" was set as a target project.')
+        accept_data = {
+                 "key": transfer_request['key'],
+                 "zone_transfer_request_id": transfer_request['id']
+        }
+        self.assertRaises(
+            lib_exc.Forbidden, self.alt_accept_client.create_transfer_accept,
+            transfer_accept_data=accept_data)
+
+        LOG.info('Accept the request as "Admin" tenant, Expected: should work')
+        self.admin_accept_client.create_transfer_accept(accept_data)
+        LOG.info('Fetch the zone as "Admin" tenant')
+        admin_zone = self.admin_zones_client.show_zone(zone['id'])[1]
+        self.addCleanup(self.wait_zone_delete,
+                        self.admin_zones_client,
+                        admin_zone['id'])