diff --git a/cloudbaseinit/tests/__init__.py b/cloudbaseinit/tests/__init__.py
index e69de29b..103ec897 100644
--- a/cloudbaseinit/tests/__init__.py
+++ b/cloudbaseinit/tests/__init__.py
@@ -0,0 +1,24 @@
+# Copyright 2023 Cloudbase Solutions Srl
+#
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from unittest import mock
+
+from mock import mock as mock_base
+
+# Note(avladu): use the original mock._get_target for unittest.mock.
+# Otherwise, the unit tests that use importlib with context are not
+# running in an isolated manner, leading to various transient failures.
+mock._get_target = mock_base._get_target