Correct copyright holder to StorPool

Change-Id: I92d5b8b28a046e8fd3b6128ca9b79e8efbc381b6
diff --git a/tests/tests.py b/tests/tests.py
index 20d9449..150f61e 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-# Copyright 2022 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.