Mauricio FernáÏdez wrote:

> This means in practice that acceptance tests "imply" integration tests,
> as they consider the whole system at once, for the customer judges the
> behavior of the program, not of a single unit. Right?

I hadn't thought about it that way, but I guess that's true: an 
acceptance test is a kind of integration test. I don't think you can say 
that the reverse is true, though; an integration test isn't necessarily 
an acceptance test.