There's a recent trend in having generalists on the software team—there are no developers or testers, only "team members." The idea of the two roles learning from each other is a good one, but it's usually a one-way street: Testers learn to write production code or test tooling, but no one focuses on deep testing.

A culture of continuous improvement means you are open to improving how you build and deliver. You don't accept the status quo; you choose how to work and feel empowered to change it if it no longer makes sense. Kevin Goldsmith gives some ideas for frameworks to adopt in order to move toward this people-first culture.

We use test design techniques to answer the questions “What do I need to test?” and “What tests should I perform?” We try to ensure test coverage during test automation too, except that choosing poorly creates slower builds and unreliable information about product quality. Here are some guidelines for test selection.