Week2

Here's the branch for week 2 including everything up to the first code review.
You should use `let` instead of instance variables. You can have unexpected consequences from using instance variables. Using let for this line would look like this:

let(:dracula) { Fabricate(:user) }

Note that the `let` does not go inside of the `before`. You will then need change the `@dracula` to `dracula` throughout your code.