do some file move and rename

Change-Id: I034ea026c52c588966d2c66fcb3d3deea2e40102
diff --git a/tests/unit-tests/ca-module.t.cpp b/tests/unit-tests/ca-module.t.cpp
index 3cb60de..9c198df 100644
--- a/tests/unit-tests/ca-module.t.cpp
+++ b/tests/unit-tests/ca-module.t.cpp
@@ -19,9 +19,9 @@
  */
 
 #include "ca-module.hpp"
-#include "challenge-module.hpp"
-#include "challenge-modules/challenge-email.hpp"
-#include "challenge-modules/challenge-pin.hpp"
+#include "identity-challenge/challenge-module.hpp"
+#include "identity-challenge/challenge-email.hpp"
+#include "identity-challenge/challenge-pin.hpp"
 #include "protocol-detail/info.hpp"
 #include "requester.hpp"
 #include "test-common.hpp"