Added minimal fixture with site, auth groups and basic users.
Added minimal fixture with site, auth groups and basic users.

mupi/timtec,hacklabr/timtec,virgilio/timtec,mupi/tecsaladeaula,virgilio/timtec,hacklabr/timtec,virgilio/timtec,hacklabr/timtec,mupi/tecsaladeaula,mupi/tecsaladeaula,mupi/escolamupi,AllanNozomu/tecsaladeaula,mupi/timtec,mupi/escolamupi,GustavoVS/timtec,hacklabr/timtec,GustavoVS/timtec,mupi/tecsaladeaula,mupi/timtec,AllanNozomu/tecsaladeaula,GustavoVS/timtec,virgilio/timtec,GustavoVS/timtec,mupi/timtec,AllanNozomu/tecsaladeaula,AllanNozomu/tecsaladeaula