further update organization

Change-Id: If8048a9225ba3eb446a15014a0535f5edd271a40
diff --git a/tests/unit-tests/configuration.t.cpp b/tests/unit-tests/configuration.t.cpp
index a1fa54f..7d5c901 100644
--- a/tests/unit-tests/configuration.t.cpp
+++ b/tests/unit-tests/configuration.t.cpp
@@ -19,7 +19,7 @@
  */
 
 #include "configuration.hpp"
-#include "protocol-detail/info.hpp"
+#include "detail/info-encoder.hpp"
 #include "test-common.hpp"
 
 namespace ndn {