Scala: Mocking and the Cake Pattern

Question

I\'ve been trying to adopt the Cake Pattern but I\'m having difficulties adapting to this programming styles, especially where unit tests are concerned.

Lets assume that

Answer 1

Although this is an old question, I'm adding my answer for future readers. I believe this SO post - How to use mocks with the Cake Pattern - asks and answers the same thing.

I successfully followed the answer given by Vladimir Matveev (which was the top answer at the time of writing