def METHOD_NAME(srv, caplog):
    item = Item(
        target="test",
        addrs=["172.16.153.110", 2003],
        message="foo bar baz qux",
        data={},
    )
    module = load_module_from_file("mqttwarn/services/carbon.py")
    outcome = module.plugin(srv, item)
    assert outcome is False
    assert "target `carbon': error decoding message" in caplog.messages