diff --git a/manila/tests/data/test_utils.py b/manila/tests/data/test_utils.py
index 8fea9cca33..835205193c 100644
--- a/manila/tests/data/test_utils.py
+++ b/manila/tests/data/test_utils.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import os
+import time
 
 import mock
 
@@ -208,6 +209,7 @@ class CopyClassTestCase(test.TestCase):
         self.mock_object(utils, 'execute', mock.Mock(
             side_effect=get_output))
         self.mock_object(self._copy, 'get_progress')
+        self.mock_object(time, 'sleep')
 
         # run
         self._copy.copy_data(self._copy.src)
diff --git a/manila/tests/share/drivers/dell_emc/plugins/vnx/test_object_manager.py b/manila/tests/share/drivers/dell_emc/plugins/vnx/test_object_manager.py
index 03d895d8df..2a302cc4ba 100644
--- a/manila/tests/share/drivers/dell_emc/plugins/vnx/test_object_manager.py
+++ b/manila/tests/share/drivers/dell_emc/plugins/vnx/test_object_manager.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import copy
+import time
 
 import ddt
 from lxml import builder
@@ -111,6 +112,7 @@ class StorageObjectTestCase(StorageObjectTestCaseBase):
         fake_req = storage_object._build_task_package(
             elt_maker.StartFake(name='foo')
         )
+        self.mock_object(time, 'sleep')
         resp = storage_object._send_request(fake_req)
         self.assertEqual('ok', resp['maxSeverity'])