tests: fix UDP multicast transport tests with IPv6

A valid scope id is always required on the multicast address

Change-Id: Ic676fcde0ee50daf75eb38c137e3cb917f43699f
diff --git a/tests/daemon/face/unicast-ethernet-transport.t.cpp b/tests/daemon/face/unicast-ethernet-transport.t.cpp
index 54c262d..6e4dd6b 100644
--- a/tests/daemon/face/unicast-ethernet-transport.t.cpp
+++ b/tests/daemon/face/unicast-ethernet-transport.t.cpp
@@ -23,12 +23,12 @@
  * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "transport-test-common.hpp"
-
 #include "ethernet-fixture.hpp"
 
 #include "common/global.hpp"
 
+#include "tests/daemon/face/transport-test-common.hpp"
+
 namespace nfd::tests {
 
 using namespace nfd::face;