[HelgeKrueger]

First, I adjusted the docstring to match the one of RabbitBroker. It makes things a bit less confusion.

Second, I was looking at the code to figure out if TestRabbitBroker could also set the "reply-to" property of the incoming message. Currently, when using with the fake broker, one gets when evaluating Context('message'):

RabbitMessage(raw_message=PatchedMessage:{'app_id': 'faststream-0.5.48',
...
 'reply_to': None,

whereas with the real broker, one gets

RabbitMessage(raw_message=IncomingMessage:{'app_id': 'faststream-0.5.48',
...
 'reply_to': 'amq.rabbitmq.reply-to.g1h2AA5yZXBseUA3NzI4NzE3MgAAUkkAAAAAaOPRjw==.ms5TOURI+Qs2Y1biv9El6w==',

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