Auto delete reply queues

Yeah, probably. None of them really test the broker. Almost all are RPC tests, but not everything. They could be split up into their respective areas (rpc providers, proxies, standalone proxy + some other places) or we could rename this module to test_disconnects.

Do you know of any project that uses labels or tags to manage this stuff? Would be nice to be unshackled from this kind of one-dimensional categorization.