How do you test a tool to be used for automated testing? If a tool executes an automated test that generates keyboard and mouse events to replay user actions, can the test emulate user input and control another instance of the tool to automatically record and play another test? Here's how you test the test tool.

Many companies have some notion of an ideal tester-to-developer ratio, or the number of testers they need for every certain number of developers. It may seem like a superficial standard, but it's rooted in a very real need to understand staffing requirements and budgets. Let's dig deeper into the team balance.

Many teams' daily testing gets broken down into numbers. If you're used to dashboards, it can be easy to forget the prime objective: to raise up quality issues—or, in the case of safety-critical devices, potential hazards. Graphs are comfortable, but do they really provide the information we should be looking for?