This is a demosntration of the use of Spock with the verticles declared by Vert.x
This is the deal:
- We declare a Verticle like a 
consumer, that is our test subject - We write a test, where:
- We make the setup of the verticle, startup and shutdown
 - Send a simple message and respond to another 
consumer - Declare a 
consumerfor receiving the response, this is like a Mock - We use 
PollingConditionsandeventuallymethod to check if we receive the message 
 
More content, inside the code...