[ODTN]Fix TapiContextHandler according to TAPI2.1

Change-Id: Iaaad6f99b707ac3df62b748b9d09fd2525a5f6e9
diff --git a/apps/odtn/service/src/test/resources/post-tapi-rpc-delete-connectivity-service b/apps/odtn/service/src/test/resources/post-tapi-rpc-delete-connectivity-service
index b45296e..65f97b4 100644
--- a/apps/odtn/service/src/test/resources/post-tapi-rpc-delete-connectivity-service
+++ b/apps/odtn/service/src/test/resources/post-tapi-rpc-delete-connectivity-service
@@ -1 +1 @@
-curl -X POST http://localhost:8181/onos/restconf/operations/tapi-connectivity:delete-connectivity-service -H 'cache-control: no-cache' -H 'content-type: application/json' -H 'Basic a2FyYWY6a2FyYWY=' -d @delete-connectivity.json
+curl -X POST http://localhost:8181/onos/restconf/operations/tapi-connectivity:delete-connectivity-service -H 'cache-control: no-cache' -H 'content-type: application/json' --user onos:rocks -d @delete-connectivity.json