util: NetworkMonitor helper to detect network state changes

This commit includes only OS X implementation using CoreFoundation framework

Change-Id: I8d5488ec5780e2a33bb20595391208a76b9e69dd
Refs: #2443
diff --git a/tests/main.cpp b/tests/main.cpp
index 3d3a773..63720bb 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2014 Regents of the University of California.
+ * Copyright (c) 2013-2015 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -21,5 +21,6 @@
 
 #define BOOST_TEST_MAIN 1
 #define BOOST_TEST_DYN_LINK 1
+#define BOOST_TEST_MODULE ndn-cxx Unit Tests
 
 #include "boost-test.hpp"