More and more companies are shifting toward having their developers responsible for product quality. But how do you conduct good testing when there are no testers? The key is to optimize efforts. Here are some of the fundamentals of testing that your developers should understand, as well as some skills they'll need.

Some say test-driven development may work well initially, but as soon as we start to refactor our code, it breaks old tests and requires us to write new ones. This is not the fault of TDD; it’s the way we’re using it. TDD remains a valuable way to verify code as we write it, so we need to repair our test-driven damage.

When making a transition to agile, it’s important to get a common understanding of what you’re trying to do, of how things are currently done, and of the definition of done. In a value stream analysis, you can identify where major chunks of time are being spent (and why), and then start prioritizing based on value.