This is more a comment on his motivation than the body of the article, but it seems to me that if running your tests requires anything more than typing "make/ra

This is more a comment on his motivation than the body of the article, but it seems to me that if running your tests requires anything more than typing "make/rake/ant/whatever test" than you're Doing It Wrong. And once your tests are that easy to run, they're also easy to integrate.