fw: increase initial suppression interval in BestRouteStrategy2

refs #3230

Change-Id: I27217a01c066e90f65b5000a29991c938042a810
diff --git a/daemon/fw/best-route-strategy2.hpp b/daemon/fw/best-route-strategy2.hpp
index 8c19dc0..8985586 100644
--- a/daemon/fw/best-route-strategy2.hpp
+++ b/daemon/fw/best-route-strategy2.hpp
@@ -67,7 +67,9 @@
 public:
   static const Name STRATEGY_NAME;
 
-private:
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+  static const time::milliseconds RETX_SUPPRESSION_INITIAL;
+  static const time::milliseconds RETX_SUPPRESSION_MAX;
   RetxSuppressionExponential m_retxSuppression;
 };