router/routertest: fix test not compiling with -race
router/routertest: fix test not compiling with -race

tsuru/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,ggarnier/tsuru,guilhermebr/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,tsuru/tsuru,ggarnier/tsuru,tsuru/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,tsuru/tsuru