def METHOD_NAME():
    add_test_simulation_to_db()
    pynbody_h = db.get_halo("test_tipsy/tiny.000640/1").load()
    assert isinstance(pynbody_h, pynbody.snapshot.SubSnap)
    assert len(pynbody_h)==200
    assert_is_subview_of_full_file(pynbody_h)