add sessions controller tests
add sessions controller tests

bicyclethief/caravan,grantziolkowski/caravan,grantziolkowski/caravan,nyc-rock-doves-2015/caravan,bicyclethief/caravan,grantziolkowski/caravan,nyc-rock-doves-2015/caravan,bicyclethief/caravan,nyc-rock-doves-2015/caravan