Replace Boost.MPL with Mp11

Change-Id: I9e0f3cd0169a733f602ff5fc1457f63d6499387d
diff --git a/tests/unit/security/certificate-fetcher-from-network.t.cpp b/tests/unit/security/certificate-fetcher-from-network.t.cpp
index 7ffc276..ee66ad5 100644
--- a/tests/unit/security/certificate-fetcher-from-network.t.cpp
+++ b/tests/unit/security/certificate-fetcher-from-network.t.cpp
@@ -27,6 +27,8 @@
 #include "tests/boost-test.hpp"
 #include "tests/unit/security/validator-fixture.hpp"
 
+#include <boost/mp11/list.hpp>
+
 namespace ndn::tests {
 
 using namespace ndn::security;
@@ -91,7 +93,7 @@
   face.receive(nack);
 }
 
-using Failures = boost::mpl::vector<Timeout, Nack>;
+using Failures = boost::mp11::mp_list<Timeout, Nack>;
 
 BOOST_FIXTURE_TEST_CASE(ValidateSuccess, CertificateFetcherFromNetworkFixture<Cert>)
 {