On the latest episode of Tech and Test, I’m joined by Elliott Clark, CEO and founder of Batteries Included, for a deep and thoughtful conversation about the cost of testing, what to test (and when), and how to align engineering efforts with your company's mission.

We cover:

🧪 What testing is really worth investing in — and where to avoid the trap of "just write more tests"
⚖️ Balancing the cost of testing with the speed of product delivery
🧠 Testing ML systems — and why they require a very different mindset
📊 Using probabilistic approaches to simulate production traffic data
📈 Why choosing the right data and metrics is essential to ensuring your engineering team is actually solving the right problems
🎯 How to make sure your tests, tools, and tracking all support your company’s mission

A deep dive into the real-world trade-offs of testing at scale — the pain points, the payoffs, and how to make it all work.

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