Correct copyright holder to StorPool

Change-Id: I92d5b8b28a046e8fd3b6128ca9b79e8efbc381b6
diff --git a/unit_tests/__init__.py b/unit_tests/__init__.py
index 8381d13..2b4afa6 100644
--- a/unit_tests/__init__.py
+++ b/unit_tests/__init__.py
@@ -1,4 +1,4 @@
-# Copyright 2021 Canonical Ltd
+# Copyright 2022 StorPool
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.