Tests that actually do something

[zsiciarz]

At this time Travis CI runs tests, but the tests themselves are meaningless. Let's flesh them out.

[zsiciarz]

We need to setup RabbitMQ with management plugin on Travis for the build to pass. The default RabbitMQ integration on Travis doesn't seem to include management API, so we have to do it ourselves. Perhaps we can do it in a similar way as nameko does: https://github.com/nameko/nameko/blob/master/.travis.yml