diff --git a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py
index ea42326..0833495 100644
--- a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py
+++ b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py
@@ -94,6 +94,28 @@ class TestSubscriptions(base.BaseV2MessagingTest):
             subscription_id = result[1]["subscription_id"]
             self.delete_subscription(self.queue_name, subscription_id)
 
+    @test.idempotent_id('fe0d8ec1-1a64-4490-8869-e821b2252e74')
+    def test_create_subscriptions_with_duplicate_subscriber(self):
+        # Adding subscriptions to the queue
+        results = self._create_subscriptions()
+        s_id1 = results[0][1]['subscription_id']
+
+        # Adding a subscription with duplicate subscriber, it will reconfirm
+        # the subscription and run well.
+        rbody = {'subscriber': 'http://fake:8080',
+                 'options': {'MessagingKeyMsg': 'MessagingValueMsg'},
+                 'ttl': 293305}
+        resp, body = self.create_subscription(self.queue_name, rbody)
+        s_id2 = body['subscription_id']
+
+        self.assertEqual('201', resp['status'])
+        self.assertEqual(s_id2, s_id1)
+
+        # Delete the subscriptions created
+        for result in results:
+            subscription_id = result[1]["subscription_id"]
+            self.delete_subscription(self.queue_name, subscription_id)
+
     @decorators.idempotent_id('ff4344b4-ba78-44c5-9ffc-44e53e484f76')
     def test_trust_subscription(self):
         sub_queue = data_utils.rand_name('Queues-Test')
diff --git a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py
index 1d6b097..75e2032 100644
--- a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py
+++ b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py
@@ -17,7 +17,6 @@ import uuid
 
 from tempest import config
 from tempest.lib.common.utils import data_utils
-from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -44,28 +43,6 @@ class TestSubscriptionsNegative(base.BaseV2MessagingTest):
             results.append((resp, body))
         return results
 
-    # Create Subscriptions
-
-    # TODO(wangxiyuan): Now the subscription confirmation feature only support
-    # mongoDB backend. Skip this test until the feature support the redis
-    # backend. Then rewrite it.
-    @decorators.skip_because(bug='1609596')
-    @test.attr(type=['negative'])
-    @test.idempotent_id('fe0d8ec1-1a64-4490-8869-e821b2252e74')
-    def test_create_subscriptions_with_duplicate_subscriber(self):
-        # Adding a subscription to the queue
-        results = self._create_subscriptions()
-        # Adding a duplicate subscriber
-        rbody = {'subscriber': 'http://fake:8080',
-                 'options': {'MessagingKeyMsg': 'MessagingValueMsg'},
-                 'ttl': 293305}
-        self.assertRaises(lib_exc.Conflict,
-                          self.create_subscription, self.queue_name, rbody)
-        # Delete the subscriptions created
-        for result in results:
-            subscription_id = result[1]["subscription_id"]
-            self.delete_subscription(self.queue_name, subscription_id)
-
     @test.attr(type=['negative'])
     @test.idempotent_id('0bda2907-a783-4614-af16-23d7a7d53b72')
     def test_create_subscriptions_with_invalid_body(self):