diff --git a/ironic/drivers/modules/drac/management.py b/ironic/drivers/modules/drac/management.py
index e069e086c4..930206e093 100644
--- a/ironic/drivers/modules/drac/management.py
+++ b/ironic/drivers/modules/drac/management.py
@@ -359,7 +359,7 @@ class DracRedfishManagement(redfish_management.RedfishManagement):
 
         if not system.managers:
             raise exception.DracOperationError(
-                error=(_("No managers found for %(node)s"),
+                error=(_("No managers found for %(node)s") %
                        {'node': task.node.uuid}))
 
         for manager in system.managers:
@@ -400,7 +400,7 @@ class DracRedfishManagement(redfish_management.RedfishManagement):
                                      configuration)
         else:
             raise exception.DracOperationError(
-                error=(_("No configuration exported for node %(node)s"),
+                error=(_("No configuration exported for node %(node)s") %
                        {'node': task.node.uuid}))
 
     @base.deploy_step(priority=0, argsinfo=IMPORT_CONFIGURATION_ARGSINFO)
@@ -428,7 +428,7 @@ class DracRedfishManagement(redfish_management.RedfishManagement):
         if not configuration:
             raise exception.DracOperationError(
                 error=(_("No configuration found for node %(node)s by name "
-                         "%(configuration_name)s"),
+                         "%(configuration_name)s") %
                        {'node': task.node.uuid,
                         'configuration_name': import_configuration_location}))
 
@@ -437,7 +437,7 @@ class DracRedfishManagement(redfish_management.RedfishManagement):
             raise exception.DracOperationError(
                 error=(_("Invalid configuration for node %(node)s "
                          "in %(configuration_name)s. Supports only "
-                         "idrac-redfish, but found %(interface)s"),
+                         "idrac-redfish, but found %(interface)s") %
                        {'node': task.node.uuid,
                         'configuration_name': import_configuration_location,
                         'interface': interface}))
@@ -446,7 +446,7 @@ class DracRedfishManagement(redfish_management.RedfishManagement):
 
         if not system.managers:
             raise exception.DracOperationError(
-                error=(_("No managers found for %(node)s"),
+                error=(_("No managers found for %(node)s") %
                        {'node': task.node.uuid}))
 
         for manager in system.managers:
@@ -492,7 +492,7 @@ class DracRedfishManagement(redfish_management.RedfishManagement):
                 continue
 
         raise exception.DracOperationError(
-            error=(_("Failed to import configuration for node %(node)s"),
+            error=(_("Failed to import configuration for node %(node)s") %
                    {'node': task.node.uuid}))
 
     @base.clean_step(priority=0,
diff --git a/ironic/tests/unit/drivers/modules/drac/test_management.py b/ironic/tests/unit/drivers/modules/drac/test_management.py
index 227d5cd5f7..e143313733 100644
--- a/ironic/tests/unit/drivers/modules/drac/test_management.py
+++ b/ironic/tests/unit/drivers/modules/drac/test_management.py
@@ -847,8 +847,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
     @mock.patch.object(redfish_utils, 'get_system', autospec=True)
     def test_export_configuration_no_managers(self, mock_get_system):
         task = mock.Mock(node=self.node, context=self.context)
-        fake_system = mock.Mock(managers=[])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = []
 
         self.assertRaises(exception.DracOperationError,
                           self.management.export_configuration, task, 'edge')
@@ -861,8 +860,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
         fake_manager1 = mock.Mock()
         fake_manager1.get_oem_extension.side_effect = (
             sushy.exceptions.OEMExtensionNotFoundError)
-        fake_system = mock.Mock(managers=[fake_manager1])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = [fake_manager1]
 
         self.assertRaises(exception.RedfishError,
                           self.management.export_configuration, task, 'edge')
@@ -883,8 +881,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
             sushy.exceptions.SushyError)
         fake_manager2 = mock.Mock()
         fake_manager2.get_oem_extension.return_value = fake_manager_oem2
-        fake_system = mock.Mock(managers=[fake_manager1, fake_manager2])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = [fake_manager1, fake_manager2]
 
         self.assertRaises(exception.DracOperationError,
                           self.management.export_configuration,
@@ -899,8 +896,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
         fake_manager_oem1.export_system_configuration.status_code = 500
         fake_manager1 = mock.Mock()
         fake_manager1.get_oem_extension.return_value = fake_manager_oem1
-        fake_system = mock.Mock(managers=[fake_manager1])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = [fake_manager1]
 
         self.assertRaises(exception.DracOperationError,
                           self.management.export_configuration, task, 'edge')
@@ -926,8 +922,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
             configuration)
         fake_manager2 = mock.Mock()
         fake_manager2.get_oem_extension.return_value = fake_manager_oem2
-        fake_system = mock.Mock(managers=[fake_manager1, fake_manager2])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = [fake_manager1, fake_manager2]
         self.management.export_configuration(task, 'edge')
 
         mock_save_configuration.assert_called_once_with(
@@ -1002,8 +997,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
             sushy.exceptions.SushyError)
         fake_manager2 = mock.Mock()
         fake_manager2.get_oem_extension.return_value = fake_manager_oem2
-        fake_system = mock.Mock(managers=[fake_manager1, fake_manager2])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = [fake_manager1, fake_manager2]
         mock_get_configuration.return_value = json.loads(
             '{"oem": {"interface": "idrac-redfish", '
             '"data": {"prop1": "value1", "prop2": 2}}}')
@@ -1020,8 +1014,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
         fake_manager_oem1 = mock.Mock()
         fake_manager1 = mock.Mock()
         fake_manager1.get_oem_extension.return_value = fake_manager_oem1
-        fake_system = mock.Mock(managers=[fake_manager1])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = [fake_manager1]
         mock_get_configuration.return_value = json.loads(
             '{"oem": {"interface": "idrac-wsman", '
             '"data": {"prop1": "value1", "prop2": 2}}}')
@@ -1054,8 +1047,7 @@ class DracRedfishManagementTestCase(test_utils.BaseDracTest):
         fake_manager_oem2 = mock.Mock()
         fake_manager2 = mock.Mock()
         fake_manager2.get_oem_extension.return_value = fake_manager_oem2
-        fake_system = mock.Mock(managers=[fake_manager1, fake_manager2])
-        mock_get_system.return_value = fake_system
+        mock_get_system.return_value.managers = [fake_manager1, fake_manager2]
         mock_get_configuration.return_value = json.loads(
             '{"oem": {"interface": "idrac-redfish", '
             '"data": {"prop1": "value1", "prop2": 2}}}')