Add Apache 2.0 license header to all test files
diff --git a/src/test/subscriber/generate_portmap.py b/src/test/subscriber/generate_portmap.py
index a4d8fb0..76ae879 100644
--- a/src/test/subscriber/generate_portmap.py
+++ b/src/test/subscriber/generate_portmap.py
@@ -1,3 +1,18 @@
+#
+# Copyright 2016-present Ciena Corporation
+#
+# 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.
+#
#!/usr/bin/env python
##Generate a port map for 100 subscribers based on veth pairs
import sys