Aether-3088 change license to Apache-2.0

Change-Id: I42d7535e82065a8031119bee17594d3fb358a1e5
diff --git a/chronos-umbrella/tests/chronos-umbrella.go b/chronos-umbrella/tests/chronos-umbrella.go
index 9e70d56..95252e2 100644
--- a/chronos-umbrella/tests/chronos-umbrella.go
+++ b/chronos-umbrella/tests/chronos-umbrella.go
@@ -1,6 +1,6 @@
 // SPDX-FileCopyrightText: 2021-present Open Networking Foundation <info@opennetworking.org>
 //
-// SPDX-License-Identifier: LicenseRef-ONF-Member-Only-1.0
+// SPDX-License-Identifier: Apache-2.0
 
 package tests