timer tests mocking Date.now as it was failing randomly with setTimeout
timer tests mocking Date.now as it was failing randomly with setTimeout

wsw0108/Windshaft,wsw0108/Windshaft,CartoDB/Windshaft,manueltimita/Windshaft,CartoDB/Windshaft,manueltimita/Windshaft,HydroLogic/Windshaft,CartoDB/Windshaft,HydroLogic/Windshaft,wsw0108/Windshaft,manueltimita/Windshaft,HydroLogic/Windshaft