split configuration into pieces

Change-Id: I3039a3e15d9637e05b0f9678a7141258fb49e983
diff --git a/tests/unit-tests/configuration.t.cpp b/tests/unit-tests/configuration.t.cpp
index 317d01b..c2f84e8 100644
--- a/tests/unit-tests/configuration.t.cpp
+++ b/tests/unit-tests/configuration.t.cpp
@@ -18,7 +18,8 @@
  * See AUTHORS.md for complete list of ndncert authors and contributors.
  */
 
-#include "configuration.hpp"
+#include "detail/ca-configuration.hpp"
+#include "detail/profile-storage.hpp"
 #include "detail/info-encoder.hpp"
 #include "test-common.hpp"