public ChannelFuture writeOneInbound(Object msg) {
        return writeOneInbound(msg, newPromise());
    }
Writes one message to the inbound of this {@link Channel} and does not flush it. This
method is conceptually equivalent to {@link #write(Object)}.

@see #writeOneOutbound(Object)
plc4j/transports/test/src/main/java/io/netty/channel/embedded/Plc4xEmbeddedChannel.java