def METHOD_NAME(state, fork_epoch, spec, post_spec, pre_tag, post_tag):
    """
    Create a voluntary exit right *after* the transition.
    fork_epoch=66 because minimal preset `SHARD_COMMITTEE_PERIOD` is 64 epochs.
    """
    # Fast forward to the future epoch so that validator can do voluntary exit
    state.slot = spec.config.SHARD_COMMITTEE_PERIOD * spec.SLOTS_PER_EPOCH
    yield from run_transition_with_operation(
        state,
        fork_epoch,
        spec,
        post_spec,
        pre_tag,
        post_tag,
        operation_type=OperationType.VOLUNTARY_EXIT,
        operation_at_slot=fork_epoch * spec.SLOTS_PER_EPOCH,
    )