async def METHOD_NAME():
    post = await get_post()
    communicator = await _connect(post)
    plugin, admin, plugin_text = await add_livelobg_plugin(post.liveblog, publish=False)
    assert await communicator.receive_nothing() is True
    await communicator.send_json_to({"hello": "world"})
    rendered = await communicator.receive_json_from()
    plugin, admin, new_plugin_text = await update_livelobg_plugin_content(plugin, publish=True)
    rendered = await communicator.receive_json_from()
    assert plugin.pk == rendered["id"]
    assert plugin.creation_date.strftime(DATE_FORMAT) == rendered["creation_date"]
    assert plugin.changed_date.strftime(DATE_FORMAT) == rendered["changed_date"]
    assert rendered["content"].find('data-post-id="{}"'.format(plugin.pk)) > -1
    assert rendered["content"].find(new_plugin_text) > -1
    assert rendered["content"].find(plugin_text) == -1
    await communicator.disconnect()
    await delete_post(post)