diff --git a/mistral_tempest_tests/tests/api/v2/test_action_executions.py b/mistral_tempest_tests/tests/api/v2/test_action_executions.py
index 2d635fc..143461d 100644
--- a/mistral_tempest_tests/tests/api/v2/test_action_executions.py
+++ b/mistral_tempest_tests/tests/api/v2/test_action_executions.py
@@ -16,6 +16,7 @@ import json
 import six
 
 from oslo_log import log as logging
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -54,6 +55,7 @@ class ActionExecutionTestsV2(base.TestCase):
         super(ActionExecutionTestsV2, cls).resource_cleanup()
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('a72603bd-5d49-4d92-9747-8da6322e867d')
     def test_run_action_execution(self):
         resp, body = self.client.create_action_execution(
             {
@@ -70,12 +72,14 @@ class ActionExecutionTestsV2(base.TestCase):
         )
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('0623cb62-b20a-45c8-afd9-8da46e1bb3cb')
     def test_list_action_executions(self):
         resp, body = self.client.get_list_obj('action_executions')
 
         self.assertEqual(200, resp.status)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('cd36ea00-7e22-4c3d-90c3-fb441b93cf12')
     def test_output_appear_in_response_only_when_needed(self):
         resp, body = self.client.get_list_obj('action_executions')
 
@@ -124,6 +128,7 @@ class ActionExecutionTestsV2(base.TestCase):
         self.assertNotIn("output", action_execution)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('dc76aeda-9243-45cf-bfd2-141d3af8b28b')
     def test_run_action_std_http(self):
         resp, body = self.client.create_action_execution(
             {
@@ -137,6 +142,7 @@ class ActionExecutionTestsV2(base.TestCase):
         self.assertTrue(output['result']['status'] in range(200, 307))
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('befa9b1c-01a4-41bc-b060-88cb1b147dfb')
     def test_run_action_std_http_error(self):
         resp, body = self.client.create_action_execution(
             {
@@ -150,6 +156,7 @@ class ActionExecutionTestsV2(base.TestCase):
         self.assertEqual(404, output['result']['status'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('d98586bf-fdc4-44f6-9837-700d35b5f889')
     def test_create_action_execution(self):
         resp, body = self.client.create_action_execution(
             {
@@ -177,6 +184,7 @@ class ActionExecutionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('99f22c17-6fb4-4480-96d3-4a82672916b7')
     def test_delete_nonexistent_action_execution(self):
         self.assertRaises(
             exceptions.NotFound,
@@ -186,6 +194,7 @@ class ActionExecutionTestsV2(base.TestCase):
         )
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('2dbd74ba-4950-4c52-8bd3-070d634dcd05')
     def test_create_action_execution_sync(self):
         token = self.client.auth_provider.get_token()
         resp, body = self.client.create_action_execution(
diff --git a/mistral_tempest_tests/tests/api/v2/test_actions.py b/mistral_tempest_tests/tests/api/v2/test_actions.py
index 7d49794..48ea4ad 100644
--- a/mistral_tempest_tests/tests/api/v2/test_actions.py
+++ b/mistral_tempest_tests/tests/api/v2/test_actions.py
@@ -13,6 +13,7 @@
 # under the License.
 
 import datetime
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -37,6 +38,7 @@ class ActionTestsV2(base.TestCase):
         super(ActionTestsV2, self).tearDown()
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('2e1a578a-1c27-409a-96be-84b5c41498cd')
     def test_get_list_actions(self):
         resp, body = self.client.get_list_obj('actions')
 
@@ -45,6 +47,7 @@ class ActionTestsV2(base.TestCase):
         self.assertNotIn('next', body)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('786ee85c-c32d-4ac9-8f45-79ab6bc47ef1')
     def test_get_list_actions_with_pagination(self):
         resp, body = self.client.get_list_obj(
             'actions?limit=1&sort_keys=name&sort_dirs=desc'
@@ -84,6 +87,7 @@ class ActionTestsV2(base.TestCase):
         self.assertGreater(name_1, name_2)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('5148358e-200f-49c7-8e88-1ddeec61c6a9')
     def test_get_list_actions_nonexist_sort_dirs(self):
         context = self.assertRaises(
             exceptions.BadRequest,
@@ -97,6 +101,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('85482ce8-70f4-47a6-9e80-de1ac22b6412')
     def test_get_list_actions_invalid_limit(self):
         context = self.assertRaises(
             exceptions.BadRequest,
@@ -110,6 +115,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('a203e75b-2013-422f-b9eb-da4375041058')
     def test_get_list_actions_duplicate_sort_keys(self):
         context = self.assertRaises(
             exceptions.BadRequest,
@@ -123,6 +129,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('9a53af71-8f1e-4ad5-b572-2c4c621715c0')
     def test_get_list_actions_equal_to_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -138,6 +145,7 @@ class ActionTestsV2(base.TestCase):
             self.assertFalse(act['is_system'])
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('3c3d28ce-9490-41ae-a918-c28f843841e1')
     def test_get_list_actions_not_equal_to_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -153,6 +161,7 @@ class ActionTestsV2(base.TestCase):
             self.assertTrue(act['is_system'])
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('84823a84-5caa-427d-8a2c-622a1d1893b1')
     def test_get_list_actions_in_list_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -169,6 +178,7 @@ class ActionTestsV2(base.TestCase):
         self.assertListEqual(created_acts, action_names)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('4b05dfcf-ef39-4032-9528-c8422c7329dd')
     def test_get_list_actions_not_in_list_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -186,6 +196,7 @@ class ActionTestsV2(base.TestCase):
             self.assertNotIn(act, action_names)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('20b3d527-447d-492b-8cb7-ac5e3757d7d5')
     def test_get_list_actions_greater_than_filter(self):
         time = datetime.datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S")
         resp, body = self.client.get_list_obj(
@@ -196,6 +207,7 @@ class ActionTestsV2(base.TestCase):
         self.assertEqual([], body['actions'])
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('7f598dba-f169-47ec-a487-f0ed31484aff')
     def test_get_list_actions_greater_than_equal_to_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -212,6 +224,7 @@ class ActionTestsV2(base.TestCase):
         self.assertIn(created_acts[0], actions)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('874fb57d-a762-4dc3-841d-396657510d23')
     def test_get_list_actions_less_than_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -228,6 +241,7 @@ class ActionTestsV2(base.TestCase):
         self.assertNotIn(created_acts[0], actions)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('1fda6c31-b0c3-4b78-9f67-b920e1f6c973')
     def test_get_list_actions_less_than_equal_to_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -244,6 +258,7 @@ class ActionTestsV2(base.TestCase):
         self.assertIn(created_acts[0], actions)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('cbb716f1-7fc7-4884-8fa9-6ff2bc35ee29')
     def test_get_list_actions_multiple_filter(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -261,6 +276,7 @@ class ActionTestsV2(base.TestCase):
         self.assertIn(created_acts[0], actions)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('45fdc1f3-4d89-4035-9b76-08ef94c92628')
     def test_get_list_actions_invalid_filter(self):
         self.assertRaises(
             exceptions.BadRequest,
@@ -279,6 +295,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('5dbceaf3-6a32-4a4f-9427-1bbdb6f3c574')
     def test_create_and_delete_few_actions(self):
         resp, body = self.client.create_action('action_v2.yaml')
         self.assertEqual(201, resp.status)
@@ -302,6 +319,7 @@ class ActionTestsV2(base.TestCase):
             self.client.actions.remove(act)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('d7dad5de-6b1f-4813-b789-78f075252639')
     def test_get_action(self):
         _, body = self.client.create_action('action_v2.yaml')
         action_name = body['actions'][0]['name']
@@ -311,6 +329,7 @@ class ActionTestsV2(base.TestCase):
         self.assertEqual(action_name, body['name'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('21a031c8-8e2d-421f-8dfe-71a3b5e44381')
     def test_update_action(self):
         _, body = self.client.create_action('action_v2.yaml')
         action = body['actions'][0]['name']
@@ -334,6 +353,7 @@ class ActionTestsV2(base.TestCase):
                              for item in body['actions']]))
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('329b1030-c55c-45f0-8129-cc892bc23dcc')
     def test_get_action_definition(self):
         _, body = self.client.create_action('action_v2.yaml')
         act_name = body['actions'][0]['name']
@@ -344,6 +364,7 @@ class ActionTestsV2(base.TestCase):
         self.assertIn(act_name, body)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('c2b5be88-571a-4855-922f-9a338dba6adb')
     def test_get_nonexistent_action(self):
         self.assertRaises(
             exceptions.NotFound,
@@ -352,6 +373,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('fc2fafcb-9bb4-4a18-a507-3f9964f4a08a')
     def test_double_creation(self):
         self.client.create_action('action_v2.yaml')
 
@@ -362,6 +384,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('0c456a73-9c39-4aeb-b3ca-3ea4338bc9ab')
     def test_create_action_invalid_def(self):
         self.assertRaises(
             exceptions.BadRequest,
@@ -370,6 +393,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('469677b5-22ab-4e2a-aee6-5bcc9dac93de')
     def test_update_action_invalid_def(self):
         self.assertRaises(
             exceptions.BadRequest,
@@ -378,6 +402,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('ab444607-40fc-47cb-982f-83762d5b64c9')
     def test_delete_nonexistent_action(self):
         self.assertRaises(
             exceptions.NotFound,
@@ -386,6 +411,7 @@ class ActionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('74d0d480-793a-46ca-b88a-8336c1897f3a')
     def test_delete_standard_action(self):
         self.assertRaises(
             exceptions.BadRequest,
diff --git a/mistral_tempest_tests/tests/api/v2/test_cron_triggers.py b/mistral_tempest_tests/tests/api/v2/test_cron_triggers.py
index 3a0b0c5..acff08f 100644
--- a/mistral_tempest_tests/tests/api/v2/test_cron_triggers.py
+++ b/mistral_tempest_tests/tests/api/v2/test_cron_triggers.py
@@ -13,6 +13,7 @@
 # under the License.
 
 from oslo_concurrency.fixture import lockutils
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -42,6 +43,7 @@ class CronTriggerTestsV2(base.TestCase):
         super(CronTriggerTestsV2, self).tearDown()
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('c53b44dd-59b3-4a4b-b22a-21abb4cecea0')
     def test_get_list_cron_triggers(self):
         resp, body = self.client.get_list_obj('cron_triggers')
 
@@ -49,6 +51,7 @@ class CronTriggerTestsV2(base.TestCase):
         self.assertEqual([], body['cron_triggers'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('fbc641fa-8704-45b3-b259-136eb956394c')
     def test_create_and_delete_cron_triggers(self):
         tr_name = 'trigger'
 
@@ -72,6 +75,7 @@ class CronTriggerTestsV2(base.TestCase):
         self.assertNotIn(tr_name, trs_names)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('b8b9102e-b323-492f-af41-4f5368971e36')
     def test_create_and_delete_oneshot_cron_triggers(self):
         tr_name = 'trigger'
 
@@ -96,6 +100,7 @@ class CronTriggerTestsV2(base.TestCase):
         self.assertNotIn(tr_name, trs_names)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('5224359b-3c31-4fe7-a4eb-dc9da843137e')
     def test_create_two_cron_triggers_for_one_wf(self):
         tr_name_1 = 'trigger1'
         tr_name_2 = 'trigger2'
@@ -118,6 +123,7 @@ class CronTriggerTestsV2(base.TestCase):
         self.assertIn(tr_name_2, trs_names)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('967da6e3-f9a2-430a-9390-0d73f2143aba')
     def test_get_cron_trigger(self):
         tr_name = 'trigger'
         self.client.create_cron_trigger(
@@ -129,36 +135,42 @@ class CronTriggerTestsV2(base.TestCase):
         self.assertEqual(tr_name, body['name'])
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('d0e4d894-9a50-4919-a008-a9f255b6b6a3')
     def test_create_cron_trigger_nonexistent_wf(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.create_cron_trigger,
                           'trigger', 'nonexist', None, '5 * * * *')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('83f0d420-fd3c-4e75-87b1-854cefb28bda')
     def test_create_cron_trigger_invalid_count(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_cron_trigger,
                           'trigger', 'nonexist', None, '5 * * * *', None, "q")
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('4190e0af-3c64-4f57-a0b8-d9d3d41fd323')
     def test_create_cron_trigger_negative_count(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_cron_trigger,
                           'trigger', 'nonexist', None, '5 * * * *', None, -1)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('210c37e8-990e-4260-b3b3-93f254e6a4d7')
     def test_create_cron_trigger_invalid_first_date(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_cron_trigger,
                           'trigger', 'nonexist', None, '5 * * * *', "q")
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('17990a39-8f66-4748-8ba5-ca87befbb198')
     def test_create_cron_trigger_count_only(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_cron_trigger,
                           'trigger', 'nonexist', None, None, None, "42")
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('029e0a1e-2252-4a37-b9bd-cfbe407c6ade')
     def test_create_cron_trigger_date_and_count_without_pattern(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_cron_trigger,
@@ -166,18 +178,21 @@ class CronTriggerTestsV2(base.TestCase):
                           "4242-12-25 13:37", "42")
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('54650d60-ec17-44b7-8732-2183852789ae')
     def test_get_nonexistent_cron_trigger(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.get_object,
                           'cron_triggers', 'trigger')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('c663599e-5cd7-49ff-9c0f-f82a5bcc5fdb')
     def test_delete_nonexistent_trigger(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.delete_obj,
                           'cron_triggers', 'trigger')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('d1328d2b-5dc2-4521-93ec-d734d5fb4df7')
     def test_create_two_cron_triggers_with_same_name(self):
         tr_name = 'trigger'
         self.client.create_cron_trigger(
@@ -187,6 +202,7 @@ class CronTriggerTestsV2(base.TestCase):
                           tr_name, self.wf_name, None, '5 * * * *')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('3e51fc44-ce38-4653-9e4e-08b077a1dbc5')
     def test_create_two_cron_triggers_with_same_pattern(self):
         self.client.create_cron_trigger(
             'trigger1',
@@ -208,12 +224,14 @@ class CronTriggerTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('6f3c08f3-9498-410e-a44b-4f9c6c971405')
     def test_invalid_cron_pattern_not_enough_params(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_cron_trigger,
                           'trigger', self.wf_name, None, '5 *')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('26cb52e7-1ef3-45a2-a870-1baec2382c55')
     def test_invalid_cron_pattern_out_of_range(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_cron_trigger,
diff --git a/mistral_tempest_tests/tests/api/v2/test_event_triggers.py b/mistral_tempest_tests/tests/api/v2/test_event_triggers.py
index c2dbac3..f04e7c2 100644
--- a/mistral_tempest_tests/tests/api/v2/test_event_triggers.py
+++ b/mistral_tempest_tests/tests/api/v2/test_event_triggers.py
@@ -12,6 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -52,6 +53,7 @@ class EventTriggerTestsV2(base.TestCase):
         super(EventTriggerTestsV2, self).tearDown()
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('cfdf9aee-09ce-49bf-af05-97c5542bc131')
     def test_create_get_delete_event_trigger(self):
         name = 'my_event_trigger'
 
@@ -78,18 +80,21 @@ class EventTriggerTestsV2(base.TestCase):
         self.assertNotIn(name, trs_names)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('20e547d6-9a16-4cac-9b1a-f3520c58cdd7')
     def test_create_event_trigger_without_necessary_param(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_event_trigger,
                           self.wf_id, EXCHANGE, EVENT_ENGINE_TOPIC, '')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('ed02f500-9436-4a7b-a135-f210e1c32b22')
     def test_create_event_trigger_with_nonexist_wf(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_event_trigger,
                           'nonexist', EXCHANGE, EVENT_ENGINE_TOPIC, EVENT)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('0ab556b6-ab76-492e-8eef-c79955003a93')
     def test_create_event_trigger_duplicate(self):
         name = 'my_event_trigger'
 
@@ -101,6 +106,7 @@ class EventTriggerTestsV2(base.TestCase):
                           self.wf_id, EXCHANGE, EVENT_ENGINE_TOPIC, EVENT)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('56b90a90-9ff3-42f8-a9eb-04a77198710e')
     def test_get_nonexistent_event_trigger(self):
         fake_id = '123e4567-e89b-12d3-a456-426655440000'
 
diff --git a/mistral_tempest_tests/tests/api/v2/test_executions.py b/mistral_tempest_tests/tests/api/v2/test_executions.py
index 3410c4b..28c9891 100644
--- a/mistral_tempest_tests/tests/api/v2/test_executions.py
+++ b/mistral_tempest_tests/tests/api/v2/test_executions.py
@@ -13,6 +13,7 @@
 # under the License.
 
 from oslo_concurrency.fixture import lockutils
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -47,12 +48,14 @@ class ExecutionTestsV2(base.TestCase):
         super(ExecutionTestsV2, self).tearDown()
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('c0b4b658-6f01-4680-b402-2f683b3d78b6')
     def test_get_list_executions(self):
         resp, body = self.client.get_list_obj('executions')
         self.assertEqual(200, resp.status)
         self.assertNotIn('next', body)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('0bfcb4b0-b1e4-4499-b81b-0e86c8a2a841')
     def test_get_list_executions_with_pagination(self):
         resp, body = self.client.create_execution(self.direct_wf_name)
         exec_id_1 = body['id']
@@ -108,6 +111,7 @@ class ExecutionTestsV2(base.TestCase):
         self.assertGreater(workflow_name_2, workflow_name_1)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('5d8ebe04-8de6-414d-908f-213af59e4c6a')
     def test_create_execution_for_direct_wf(self):
         resp, body = self.client.create_execution(self.direct_wf_name)
         exec_id = body['id']
@@ -120,6 +124,7 @@ class ExecutionTestsV2(base.TestCase):
                       [ex_id['id'] for ex_id in body['executions']])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('101bfdff-8309-4add-9504-544b15f13d95')
     def test_create_execution_for_reverse_wf(self):
         resp, body = self.client.create_execution(
             self.reverse_wf['name'],
@@ -143,6 +148,7 @@ class ExecutionTestsV2(base.TestCase):
         self.assertEqual('SUCCESS', body['state'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('2df30966-9c45-4a2e-942d-e74bd92cb5aa')
     def test_create_execution_by_wf_id(self):
         resp, body = self.client.create_execution(self.direct_wf_id)
         exec_id = body['id']
@@ -157,6 +163,7 @@ class ExecutionTestsV2(base.TestCase):
         )
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('f7f50198-2dbd-4ca1-af51-d0eadc1108ac')
     def test_get_execution(self):
         _, execution = self.client.create_execution(self.direct_wf_name)
 
@@ -169,6 +176,7 @@ class ExecutionTestsV2(base.TestCase):
         self.assertEqual(execution['id'], body['id'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('2f142ba0-6b88-4d63-8544-05c3dbfe13cc')
     def test_update_execution_pause(self):
         _, execution = self.client.create_execution(self.direct_wf_name)
         resp, body = self.client.update_execution(
@@ -178,6 +186,7 @@ class ExecutionTestsV2(base.TestCase):
         self.assertEqual('PAUSED', body['state'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('f0557236-55ab-457d-9197-05bc2ae53e21')
     def test_update_execution_description(self):
         _, execution = self.client.create_execution(self.direct_wf_name)
         resp, body = self.client.update_execution(
@@ -187,6 +196,7 @@ class ExecutionTestsV2(base.TestCase):
         self.assertEqual('description', body['description'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('c54b4d68-b179-4339-bdab-a91cd6e819b7')
     def test_update_execution_fail(self):
         _, execution = self.client.create_execution(self.direct_wf_name)
         resp, body = self.client.update_execution(
@@ -197,11 +207,13 @@ class ExecutionTestsV2(base.TestCase):
         self.assertEqual('Forced', body['state_info'])
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('d8bde271-6785-4ace-9173-a8a3a01d5eaa')
     def test_get_nonexistent_execution(self):
         self.assertRaises(exceptions.NotFound, self.client.get_object,
                           'executions', '1a2b3c')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('e26e31ba-88cf-4b90-8b3a-fd4ecc612252')
     def test_update_nonexistent_execution(self):
         put_body = '{"state": "STOPPED"}'
 
@@ -210,18 +222,21 @@ class ExecutionTestsV2(base.TestCase):
                           '1a2b3c', put_body)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('b337e270-b3b6-41e2-8de2-05030b06fc37')
     def test_delete_nonexistent_execution(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.delete_obj,
                           'executions', 'nonexist')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('46f7b4b0-7d4a-4bdc-b2b6-46343cdd6f3a')
     def test_create_ex_for_nonexistent_wf(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.create_execution,
                           'nonexist')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('9d27247e-b4d4-40ab-9181-9986655a6be4')
     def test_create_execution_for_reverse_wf_invalid_start_task(self):
         self.assertRaises(
             exceptions.BadRequest,
@@ -232,6 +247,7 @@ class ExecutionTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('0d6ac42b-4059-40ef-99d0-a65b3cd1837c')
     def test_create_execution_forgot_input_params(self):
         self.assertRaises(
             exceptions.BadRequest,
@@ -241,6 +257,7 @@ class ExecutionTestsV2(base.TestCase):
         )
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('52779c73-7563-47b2-8231-a24d6bf531a7')
     def test_action_ex_concurrency(self):
         resp, wf = self.client.create_workflow("wf_action_ex_concurrency.yaml")
         self.assertEqual(201, resp.status)
@@ -254,6 +271,7 @@ class ExecutionTestsV2(base.TestCase):
         self.client.wait_execution_success(execution)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('eb061c4d-2892-47f0-81e6-37ba15c376bb')
     def test_task_ex_concurrency(self):
         resp, wf = self.client.create_workflow("wf_task_ex_concurrency.yaml")
         self.assertEqual(201, resp.status)
diff --git a/mistral_tempest_tests/tests/api/v2/test_tasks.py b/mistral_tempest_tests/tests/api/v2/test_tasks.py
index c71c31c..8708d72 100644
--- a/mistral_tempest_tests/tests/api/v2/test_tasks.py
+++ b/mistral_tempest_tests/tests/api/v2/test_tasks.py
@@ -13,6 +13,7 @@
 # under the License.
 
 from oslo_concurrency.fixture import lockutils
+from tempest.lib import decorators
 from tempest import test
 
 from mistral_tempest_tests.tests import base
@@ -42,6 +43,7 @@ class TasksTestsV2(base.TestCase):
         super(TasksTestsV2, self).tearDown()
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('81159dce-3802-44ee-a8d4-5ddca106fd91')
     def test_get_tasks_list(self):
         resp, body = self.client.get_list_obj('tasks')
 
@@ -49,6 +51,7 @@ class TasksTestsV2(base.TestCase):
         self.assertNotEmpty(body['tasks'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('f62664de-bd2b-4153-8d0f-5a76d78abbad')
     def test_get_task(self):
         resp, body = self.client.get_list_obj('tasks')
 
@@ -58,6 +61,7 @@ class TasksTestsV2(base.TestCase):
         )
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('3230d694-40fd-4094-ad12-024f40a21b94')
     def test_get_tasks_of_execution(self):
         resp, body = self.client.get_list_obj(
             'tasks?workflow_execution_id=%s' % self.execution_id
@@ -83,6 +87,7 @@ class TaskTypesTestsV2(base.TestCase):
         _, execution = self.client.create_execution(self.nested_wf_name)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('1ac726eb-b945-4b82-8755-a2fb2dc009bc')
     def test_task_type(self):
         resp, body = self.client.get_list_obj('tasks')
 
diff --git a/mistral_tempest_tests/tests/api/v2/test_workbooks.py b/mistral_tempest_tests/tests/api/v2/test_workbooks.py
index 787b0af..87f6756 100644
--- a/mistral_tempest_tests/tests/api/v2/test_workbooks.py
+++ b/mistral_tempest_tests/tests/api/v2/test_workbooks.py
@@ -13,6 +13,7 @@
 # under the License.
 
 from oslo_concurrency.fixture import lockutils
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -31,6 +32,7 @@ class WorkbookTestsV2(base.TestCase):
         super(WorkbookTestsV2, self).tearDown()
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('4d8752b9-8d69-4d81-8710-5dd8ef699b95')
     def test_get_list_workbooks(self):
         resp, body = self.client.get_list_obj('workbooks')
 
@@ -38,6 +40,7 @@ class WorkbookTestsV2(base.TestCase):
         self.assertEqual([], body['workbooks'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('1a078ca2-bcf9-4eb9-8ed5-e3545038aa76')
     def test_create_and_delete_workbook(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         resp, body = self.client.create_workbook('wb_v2.yaml')
@@ -55,6 +58,7 @@ class WorkbookTestsV2(base.TestCase):
         self.assertEqual([], body['workbooks'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('80f7d7a6-2821-4ab0-b090-ca45c98258ba')
     def test_get_workbook(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workbook('wb_v2.yaml')
@@ -65,6 +69,7 @@ class WorkbookTestsV2(base.TestCase):
         self.assertEqual(name, body['name'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('4d3b1e43-a493-41be-9c8a-389511675403')
     def test_update_workbook(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workbook('wb_v2.yaml')
@@ -75,6 +80,7 @@ class WorkbookTestsV2(base.TestCase):
         self.assertEqual(name, body['name'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('506cdcc2-082f-4e1f-9ab2-717acd7f0eb5')
     def test_get_workbook_definition(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workbook('wb_v2.yaml')
@@ -85,17 +91,20 @@ class WorkbookTestsV2(base.TestCase):
         self.assertIsNotNone(body)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('d99f11c1-05a3-4d90-89c6-8d85558d3708')
     def test_get_nonexistent_workbook_definition(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.get_definition,
                           'workbooks', 'nonexist')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('61ed021e-ec56-42cb-ad05-eb6979aa00fd')
     def test_get_nonexistent_workbook(self):
         self.assertRaises(exceptions.NotFound, self.client.get_object,
                           'workbooks', 'nonexist')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('e3d76f8b-220d-4250-8238-0ba27fda6de9')
     def test_double_create_workbook(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workbook('wb_v2.yaml')
@@ -111,6 +120,7 @@ class WorkbookTestsV2(base.TestCase):
         self.assertEqual([], body['workbooks'])
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('1cd6f6f7-b166-454e-96d2-bf1f95c23015')
     def test_create_wb_with_invalid_def(self):
         self.assertRaises(
             exceptions.BadRequest,
@@ -119,6 +129,7 @@ class WorkbookTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('ac9a05d3-e285-4d88-91eb-fb9ad694a89a')
     def test_update_wb_with_invalid_def(self):
         self.assertRaises(
             exceptions.BadRequest,
diff --git a/mistral_tempest_tests/tests/api/v2/test_workflows.py b/mistral_tempest_tests/tests/api/v2/test_workflows.py
index fbc457f..0195fee 100644
--- a/mistral_tempest_tests/tests/api/v2/test_workflows.py
+++ b/mistral_tempest_tests/tests/api/v2/test_workflows.py
@@ -14,6 +14,7 @@
 import json
 
 from oslo_concurrency.fixture import lockutils
+from tempest.lib import decorators
 from tempest.lib import exceptions
 from tempest import test
 
@@ -33,6 +34,7 @@ class WorkflowTestsV2(base.TestCase):
         super(WorkflowTestsV2, self).tearDown()
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('e9cd6817-e8d1-4604-ba76-b0e17219f4c5')
     def test_get_list_workflows(self):
         resp, body = self.client.get_list_obj('workflows')
         self.assertEqual(200, resp.status)
@@ -44,6 +46,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertNotIn('next', body)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('be8a4a44-eeb3-48e3-b11d-b83ba14dbf2c')
     def test_get_list_workflows_by_admin(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
 
@@ -60,6 +63,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertIn(name, names)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('c9e2ebbc-02aa-4c33-b244-e471c8266aa7')
     def test_get_list_workflows_with_project_by_admin(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
 
@@ -80,6 +84,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertIn(name, names)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('b8dc1b02-8509-45e2-9df7-4630cdcfa1ab')
     def test_get_list_other_project_private_workflows(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
 
@@ -100,6 +105,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertNotIn(name, names)
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('2063143b-ced8-4037-9383-e2504be581e6')
     def test_get_list_workflows_with_fields(self):
         resp, body = self.client.get_list_obj('workflows?fields=name')
 
@@ -109,6 +115,7 @@ class WorkflowTestsV2(base.TestCase):
             self.assertListEqual(sorted(['id', 'name']), sorted(list(wf)))
 
     @test.attr(type='smoke')
+    @decorators.idempotent_id('81f28735-e74e-4dc1-8b94-b548f8a80556')
     def test_get_list_workflows_with_pagination(self):
         resp, body = self.client.get_list_obj(
             'workflows?limit=1&sort_keys=name&sort_dirs=desc'
@@ -148,6 +155,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertGreater(name_1, name_2)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('cdb5586f-a72f-4371-88d1-1472675915c3')
     def test_get_list_workflows_nonexist_sort_dirs(self):
         context = self.assertRaises(
             exceptions.BadRequest,
@@ -161,6 +169,7 @@ class WorkflowTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('ac41a0ea-2be6-4307-9003-6b8dd52b0bf9')
     def test_get_list_workflows_invalid_limit(self):
         context = self.assertRaises(
             exceptions.BadRequest,
@@ -174,6 +183,7 @@ class WorkflowTestsV2(base.TestCase):
         )
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('55759713-a8d7-44c2-aff1-2383f51136bd')
     def test_get_list_workflows_duplicate_sort_keys(self):
         context = self.assertRaises(
             exceptions.BadRequest,
@@ -187,6 +197,7 @@ class WorkflowTestsV2(base.TestCase):
         )
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('e26b30b9-6699-4020-93a0-e25c2daca59a')
     def test_create_and_delete_workflow(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         resp, body = self.client.create_workflow('wf_v2.yaml')
@@ -209,6 +220,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertNotIn(name, names)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('f5a4a771-79b2-4f28-bfac-940aa83990a4')
     def test_get_workflow(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workflow('wf_v2.yaml')
@@ -220,6 +232,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertEqual(name, body['name'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('f516aad0-9a50-4ace-a217-fa1931fd9335')
     def test_update_workflow(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workflow('wf_v2.yaml')
@@ -231,6 +244,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertEqual(name, body['workflows'][0]['name'])
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('02bc1fc3-c31a-4e37-bb3d-eda46818505c')
     def test_get_workflow_definition(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workflow('wf_v2.yaml')
@@ -242,6 +256,7 @@ class WorkflowTestsV2(base.TestCase):
         self.assertIsNotNone(body)
 
     @test.attr(type='sanity')
+    @decorators.idempotent_id('04fbd003-0e52-4034-858e-6634d4f84b29')
     def test_get_workflow_uploaded_in_wb(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workbook('wb_v2.yaml')
@@ -254,17 +269,20 @@ class WorkflowTestsV2(base.TestCase):
         self.assertNotEmpty(wf_names)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('5e5f0403-fb2c-41ae-bf6f-25c181515358')
     def test_get_nonexistent_workflow_definition(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.get_definition,
                           'workflows', 'nonexist')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('23c72d01-c3bb-43d6-ba15-9b49c15f800c')
     def test_get_nonexistent_workflow(self):
         self.assertRaises(exceptions.NotFound, self.client.get_object,
                           'workflows', 'nonexist')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('6b917213-7f11-423a-8fe0-55795dcf0fb2')
     def test_double_create_workflows(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         _, body = self.client.create_workflow('wf_v2.yaml')
@@ -273,18 +291,21 @@ class WorkflowTestsV2(base.TestCase):
                           'wf_v2.yaml')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('ffcd63d2-1104-4320-a67b-fadc4e2a0631')
     def test_create_wf_with_invalid_def(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.create_workflow,
                           'wb_v1.yaml')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('eed46931-5485-436c-810f-1f63362223b9')
     def test_update_wf_with_invalid_def(self):
         self.assertRaises(exceptions.BadRequest,
                           self.client.update_request,
                           'workflows', 'wb_v1.yaml')
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('9b7f5b5a-cacd-4f98-a35a-decf065b8234')
     def test_delete_wf_with_trigger_associate(self):
         tr_name = 'trigger'
         resp, body = self.client.create_workflow('wf_v2.yaml')
@@ -304,6 +325,7 @@ class WorkflowTestsV2(base.TestCase):
             self.client.triggers.remove(tr_name)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('46325022-cbd2-48f3-95f3-e587aab3b655')
     def test_delete_wf_with_event_trigger_associate(self):
         _, body = self.client.create_workflow('wf_v2.yaml')
         wf_id = body['workflows'][0]['id']
@@ -323,6 +345,7 @@ class WorkflowTestsV2(base.TestCase):
             self.client.event_triggers.remove(body['id'])
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('1cb929e6-d375-4dcb-ab7c-73aa205af896')
     def test_delete_wf_with_trigger_associate_in_other_tenant(self):
         self.useFixture(lockutils.LockFixture('mistral-workflow'))
         tr_name = 'trigger'
@@ -352,6 +375,7 @@ class WorkflowTestsV2(base.TestCase):
             self.alt_client.triggers.remove(tr_name)
 
     @test.attr(type='negative')
+    @decorators.idempotent_id('f575713b-27fd-4ec8-b84f-468a7adf5ed2')
     def test_delete_nonexistent_wf(self):
         self.assertRaises(exceptions.NotFound,
                           self.client.delete_obj,