Instead of complicated mocks depending on multiple libraries, export your services via a factory, opening the path for dependency injection and easy unit tests.
In essence, you're making your website/application faster for your users, end up with smaller payloads, and build code in less time (thus saving money). What's not to like?
A collation of opinions about having kids, based on a couple of Hacker News' posts.
Everyone has their favorites. These are mine. (Updated over time.)
As asked in job interviews, what are you looking for in a company? What's the best culture for you?