build: migrate to C++17

Change-Id: Ic9f09efd20b608bfcb713fd319834b2666cf6242
diff --git a/tests/test-adjacent.cpp b/tests/test-adjacent.cpp
index 3d61a3a..5406096 100644
--- a/tests/test-adjacent.cpp
+++ b/tests/test-adjacent.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2014-2020,  The University of Memphis,
+/*
+ * Copyright (c) 2014-2022,  The University of Memphis,
  *                           Regents of the University of California
  *
  * This file is part of NLSR (Named-data Link State Routing).
@@ -18,7 +18,7 @@
  * NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  *
  * \author Ashlesh Gawande <agawande@memphis.edu>
- **/
+ */
 
 #include "adjacent.hpp"
 #include "tests/boost-test.hpp"
@@ -26,8 +26,6 @@
 namespace nlsr {
 namespace test {
 
-using namespace std;
-
 BOOST_AUTO_TEST_SUITE(TestAdjacent)
 
 BOOST_AUTO_TEST_CASE(OperatorEquals)
@@ -77,7 +75,7 @@
   BOOST_CHECK_EQUAL(adjacent1.getLinkCost(), 11);
 }
 
-BOOST_AUTO_TEST_CASE(compareFaceUri)
+BOOST_AUTO_TEST_CASE(CompareFaceUri)
 {
   const ndn::Name ADJ_NAME_1 = "name1";
   const ndn::Name ADJ_NAME_2 = "name2";
@@ -90,7 +88,7 @@
   BOOST_CHECK(adjacent1.compareFaceUri(adjacent2.getFaceUri()));
 }
 
-BOOST_AUTO_TEST_CASE(compareFaceId)
+BOOST_AUTO_TEST_CASE(CompareFaceId)
 {
   const ndn::Name ADJ_NAME_1 = "name1";
   const ndn::Name ADJ_NAME_2 = "name2";