It is no secret that I’m a huge proponent of fast tests and their contribution to effective testing and design techniques. When doing any form of test-first development, the length of the feedback cycle when running individual tests should be as fast as possible. The design techniques associated with test-driven development (TDD), in particular, rely on taking small steps, teasing out design guidance via constant and focused refactoring. To do this, it is essential that running individual t...
