do some file move and rename

Change-Id: I034ea026c52c588966d2c66fcb3d3deea2e40102
diff --git a/tests/unit-tests/requester.t.cpp b/tests/unit-tests/requester.t.cpp
index fff1e5e..8ac66c9 100644
--- a/tests/unit-tests/requester.t.cpp
+++ b/tests/unit-tests/requester.t.cpp
@@ -22,7 +22,7 @@
 #include <protocol-detail/probe.hpp>
 #include <ndn-cxx/util/io.hpp>
 #include "requester.hpp"
-#include "challenge-module.hpp"
+#include "identity-challenge/challenge-module.hpp"
 #include "ca-module.hpp"
 #include "test-common.hpp"