diff --git a/cinder/tests/unit/volume/flows/test_manage_volume_flow.py b/cinder/tests/unit/volume/flows/test_manage_volume_flow.py
index b133e950289..712b8bbd1a8 100644
--- a/cinder/tests/unit/volume/flows/test_manage_volume_flow.py
+++ b/cinder/tests/unit/volume/flows/test_manage_volume_flow.py
@@ -15,6 +15,7 @@ import inspect
 from unittest import mock
 
 import taskflow.engines
+from taskflow.types import failure as ft
 
 from cinder import context
 from cinder import exception
@@ -64,6 +65,21 @@ class ManageVolumeFlowTestCase(test.TestCase):
         create_what.pop('volume_id')
         task.execute(self.ctxt, **create_what)
 
+    def test_cast_manage_existing_revert(self):
+        volume = fake_volume.fake_volume_obj(self.ctxt)
+        volume.save = mock.MagicMock()
+
+        # Fake objects assert specs
+        task = manage_existing.ManageCastTask(
+            fake_volume_api.FakeSchedulerRpcAPI({}, self),
+            fake_volume_api.FakeDb())
+        flow_failures = [mock.MagicMock()]
+        task.revert(self.ctxt, {}, flow_failures, volume)
+
+        # Check that volume status is updated and saved
+        self.assertEqual(volume.status, 'error_managing')
+        volume.save.assert_called_once()
+
     def test_create_db_entry_task_with_multiattach(self):
 
         fake_volume_type = fake_volume.fake_volume_type_obj(
@@ -86,6 +102,32 @@ class ManageVolumeFlowTestCase(test.TestCase):
         result = task.execute(self.ctxt, **spec)
         self.assertTrue(result['volume_properties']['multiattach'])
 
+    def test_revert_manage_existing(self):
+        fake_db = fake_volume_api.FakeDb()
+        fake_db.volume_destroy = mock.MagicMock()
+
+        self.ctxt.elevated = mock.Mock()
+
+        task = manage_existing.EntryCreateTask(fake_db)
+        task.revert(self.ctxt, {'volume_id': fakes.VOLUME_ID})
+
+        # Check DB entry task is destroyed
+        fake_db.volume_destroy.assert_called_once_with(
+            self.ctxt.elevated.return_value,
+            fakes.VOLUME_ID
+        )
+
+    def test_revert_manage_existing_with_ft_failure(self):
+        fake_db = fake_volume_api.FakeDb()
+        fake_db.volume_destroy = mock.MagicMock()
+
+        mock_failure = mock.Mock(spec=ft.Failure)
+        task = manage_existing.EntryCreateTask(fake_db)
+        task.revert(self.ctxt, mock_failure)
+
+        # Check DB entry task is not destroyed
+        fake_db.volume_destroy.assert_not_called()
+
     @staticmethod
     def _stub_volume_object_get(self):
         volume = {