Building a Test Pyramid That Scales With a Growing Engineering Team
When a team has five engineers, almost any testing strategy works. The suite is small, everyone knows which tests are fragile, and a full run finishes before the coffee gets cold. At fifty engineers, the same approach quietly collapses. Builds take forty minutes, failures appear at random, and developers start merging with a shrug and a rerun. The test pyramid is still the most useful mental...