[VOL-1787] :
This commit sets up a unit-test framework for openolt
agent based on gtest, gmock and c-mock utilities.
A sample unit-test case to test EnableOlt success case is also
added. More test cases will be added in future commit.

Change-Id: If020be489a04d97df5fcbc15e9207deeee2fcfac
diff --git a/agent/test/inc/bcmolt_conn_mgr.h b/agent/test/inc/bcmolt_conn_mgr.h
new file mode 100644
index 0000000..124da6c
--- /dev/null
+++ b/agent/test/inc/bcmolt_conn_mgr.h
@@ -0,0 +1,31 @@
+/*
+    Copyright (C) 2018 Open Networking Foundation
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef __BCMOLT_CONN_MGR_H__
+#define __BCMOLT_CONN_MGR_H__
+// This is stub header file for unit tets case only
+//
+extern "C" {
+typedef char bcmolt_cm_addr[100];
+
+typedef int bcmolt_goid;
+
+typedef struct bcmos_fastlock {
+    pthread_mutex_t lock;
+} bcmos_fastlock;
+
+}
+#endif