tests: sync common test infrastructure with ndn-cxx

Change-Id: I6f2ee4b5b644d6fddcebbe1158b1dd9ad2159417
diff --git a/tests/test-common.hpp b/tests/test-common.hpp
index 878a27d..339fd82 100644
--- a/tests/test-common.hpp
+++ b/tests/test-common.hpp
@@ -23,11 +23,12 @@
 #define NLSR_TEST_COMMON_HPP
 
 #include "common.hpp"
-#include "identity-management-fixture.hpp"
 #include "conf-parameter.hpp"
 
+#include "boost-test.hpp"
+#include "identity-management-fixture.hpp"
+
 #include <boost/asio.hpp>
-#include <boost/test/unit_test.hpp>
 
 #include <ndn-cxx/face.hpp>
 #include <ndn-cxx/security/key-chain.hpp>