Replace Boost.MPL with Mp11

Change-Id: I9e0f3cd0169a733f602ff5fc1457f63d6499387d
diff --git a/tests/unit/security/certificate-fetcher-offline.t.cpp b/tests/unit/security/certificate-fetcher-offline.t.cpp
index 147701f..978bc12 100644
--- a/tests/unit/security/certificate-fetcher-offline.t.cpp
+++ b/tests/unit/security/certificate-fetcher-offline.t.cpp
@@ -25,6 +25,8 @@
 #include "tests/boost-test.hpp"
 #include "tests/unit/security/validator-fixture.hpp"
 
+#include <boost/mp11/list.hpp>
+
 namespace ndn::tests {
 
 using namespace ndn::security;
@@ -44,7 +46,7 @@
 
 BOOST_FIXTURE_TEST_SUITE(TestCertificateFetcherOffline, CertificateFetcherOfflineFixture)
 
-using Packets = boost::mpl::vector<InterestV03Pkt, DataPkt>;
+using Packets = boost::mp11::mp_list<InterestV03Pkt, DataPkt>;
 
 BOOST_AUTO_TEST_CASE_TEMPLATE(Validate, Packet, Packets)
 {