[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/bal_stub.h b/agent/test/inc/bal_stub.h
new file mode 100644
index 0000000..4001327
--- /dev/null
+++ b/agent/test/inc/bal_stub.h
@@ -0,0 +1,29 @@
+/*
+    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 _BAL_STUB_H_
+#define _BAl_STUB_H_
+extern "C" {
+#include <test_stub.h>
+
+
+void bcmos_usleep(uint32_t us);
+void bcmos_fastlock_init(bcmos_fastlock *lock, uint32_t flags);
+long bcmos_fastlock_lock(bcmos_fastlock *lock);
+void bcmos_fastlock_unlock(bcmos_fastlock *lock, long flags);
+}
+#endif