Spring ResponseBodyAdvice is not call with an empty body
According with these issues:
with the resolution in this commit:
even if the body is empty the ResponseBodyAdvice should be call.
In this method, there is a previous check that force to not call the advice: ServletInvocableHandlerMethod.invokeAndHandle
To Check: RequestResponseBodyAdviceChain
This code is to test that when the body is null the advice is not called.