src: Another round of source updates: moving all headers close to implementation files

Change-Id: I3d47076504950e67746174623c75383948e9d93d
diff --git a/tests/test-encode-decode-data.cpp b/tests/test-encode-decode-data.cpp
index e8f5372..98685a7 100644
--- a/tests/test-encode-decode-data.cpp
+++ b/tests/test-encode-decode-data.cpp
@@ -6,8 +6,8 @@
 
 #include <boost/test/unit_test.hpp>
 
-#include <ndn-cpp-dev/data.hpp>
-#include <ndn-cpp-dev/security/key-chain.hpp>
+#include "data.hpp"
+#include "security/key-chain.hpp"
 
 #include <fstream>