tests: sync common test infrastructure with ndn-cxx

Change-Id: I6f2ee4b5b644d6fddcebbe1158b1dd9ad2159417
diff --git a/tests/tlv/test-nexthops.cpp b/tests/tlv/test-nexthops.cpp
index 1714bbf..12a479e 100644
--- a/tests/tlv/test-nexthops.cpp
+++ b/tests/tlv/test-nexthops.cpp
@@ -21,7 +21,7 @@
 
 #include "tlv/nexthop.hpp"
 
-#include "../boost-test.hpp"
+#include "tests/boost-test.hpp"
 
 namespace nlsr {
 namespace tlv {