src: Adding copyright message

Change-Id: Ie511b5e0b54161cd9c428498de34d32ed40e74df
diff --git a/tests/main.cpp b/tests/main.cpp
index 9930f26..891cd68 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -16,6 +16,9 @@
  *
  * You should have received a copy of the GNU General Public License along with
  * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * \author Yingdi Yu <yingdi@cs.ucla.edu>
+ *
  **/
 
 #define BOOST_TEST_MAIN 1