def METHOD_NAME():
    global ts1, ts2, ts3, sim, session
    testing.init_blank_db_for_testing()
    db.config.base = os.path.dirname(os.path.abspath(__file__))+"/"
    session = db.core.get_default_session()
    sim = tangos.core.simulation.Simulation("test_stat_files")
    session.add(sim)
    ts1 = tangos.core.timestep.TimeStep(sim, "pioneer50h128.1536gst1.bwK1.000832")
    ts1.time_gyr = 6  # unimportant
    ts1.redshift = 2.323  # matters for AHF filename
    ts2 = tangos.core.timestep.TimeStep(sim, "h242.cosmo50PLK.1536g1bwK1C52.004096")
    ts2.time_gyr = 10
    ts2.redshift = 0
    ts3 = tangos.core.timestep.TimeStep(sim, "pioneer50h128MPI.1536gst1.bwK1.000832")
    ts3.time_gyr = 6
    ts3.redshift = 2.323
    session.add_all([ts1,ts2, ts3])
    session.commit()
    parallel_tasks.use('null')