SEBA-902/SEBA-903
Test cases and Makefile created to test importer API's.
Robot Framework suite was also created with 1 test case for now pending additional information of hardware availability.

Change-Id: I0e1b1e573a25c5eab36b7e18ee7c79deea294828
diff --git a/demo_test/functional_test/tests/unsubscribe_events.expected b/demo_test/functional_test/tests/unsubscribe_events.expected
new file mode 100644
index 0000000..eee0d10
--- /dev/null
+++ b/demo_test/functional_test/tests/unsubscribe_events.expected
@@ -0,0 +1,21 @@
+// Copyright 2018 Open Networking Foundation
+//
+// 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.
+Device 192.168.4.27:8888 not registered
+192.168.4.27:8888 attached
+Alert ResourceAdded ResourceRemoved
+unsub successful
+Alert ResourceRemoved
+event ResourceAdded not found
+event Update not found
+192.168.4.27:8888 deleted