[Minor] Add missing license in LUA unittest

unittest/lua.cpp

+//
+// Copyright (c) 2015 CNRS
+//
+// This file is part of Pinocchio
+// Pinocchio is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation, either version
+// 3 of the License, or (at your option) any later version.
+//
+// Pinocchio 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 Lesser Public License for more details. You should have
+// received a copy of the GNU Lesser General Public License along with
+// Pinocchio If not, see
+// <http://www.gnu.org/licenses/>.
+
 #include <iostream>
 
 #include "pinocchio/multibody/model.hpp"
 #include "pinocchio/multibody/parser/lua.hpp"
 
 #define BOOST_TEST_DYN_LINK
-#define BOOST_TEST_MODULE UrdfTest
+#define BOOST_TEST_MODULE LuaTest
 #include <boost/test/unit_test.hpp>