def METHOD_NAME(mocker, state, slack, clusters):
    """We already notified for this cluster & version"""
    state.exists.return_value = True
    state.get.return_value = upgrade_version  # same version, already notified
    ouw.notify_cluster_new_version(clusters, state=state, slack=slack)
    assert slack.chat_post_message.call_count == 0
    assert state.add.call_count == 0