Is there an in memory messaging broker for functional testing of RabbitMq?

I need to write functional tests flows that involve interaction with RabbitMq. But once the tests are run I will have to clear any existing message in the queue. Since RabbitMq is persistent I need some in memory substitute for RabbitMq. Just like the way we have HSQL for databases.

I have tried using qpid broker but with no luck.

I am using spring boot framework. So I just need to inject the bean of the inmemory queue instead of actual rabbit mq.