def METHOD_NAME():
    # check that a key doesn't move if its assigned bucket remains but the
    # other buckets are removed
    key = "crazy frog is a crazy key"
    first_round = utils.rendezvous_rank(["b1", "b2", "b3"], key)
    second_round = utils.rendezvous_rank([first_round[0], first_round[1]], key)
    assert first_round[0] == second_round[0], key