tests+tools: minor code cleanup

Change-Id: Ic3356d4a18a8e5eeb45fc076fc0563c3d1549c8a
diff --git a/tests/daemon/mgmt/fib-manager.t.cpp b/tests/daemon/mgmt/fib-manager.t.cpp
index 1002e44..5d61168 100644
--- a/tests/daemon/mgmt/fib-manager.t.cpp
+++ b/tests/daemon/mgmt/fib-manager.t.cpp
@@ -65,7 +65,7 @@
   {
     auto face = make_shared<DummyFace>();
     m_faceTable.add(face);
-    advanceClocks(time::milliseconds(1), 10);
+    advanceClocks(1_ms, 10);
     m_responses.clear(); // clear all event notifications, if any
     return face->getId();
   }