tests+tools: minor code cleanup

Change-Id: Ic3356d4a18a8e5eeb45fc076fc0563c3d1549c8a
diff --git a/daemon/rib/readvertise/readvertise.cpp b/daemon/rib/readvertise/readvertise.cpp
index d5bedf8..7b59e22 100644
--- a/daemon/rib/readvertise/readvertise.cpp
+++ b/daemon/rib/readvertise/readvertise.cpp
@@ -35,7 +35,7 @@
 NFD_LOG_INIT(Readvertise);
 
 const time::milliseconds Readvertise::RETRY_DELAY_MIN = 50_s;
-const time::milliseconds Readvertise::RETRY_DELAY_MAX = 3600_s;
+const time::milliseconds Readvertise::RETRY_DELAY_MAX = 1_h;
 
 static time::milliseconds
 randomizeTimer(time::milliseconds baseTimer)