"Does it work?" That's the core question testing answers for your code. In this GitHub for Beginners episode, you will discover how GitHub Copilot simplifies Test-Driven Development. We cover the fundamentals of TDD and unit tests, showing how Copilot helps automate checks, write test cases, and make this valuable practice more approachable for everyone. Learn more on the blog: #GitHub #Copilot #Testing — TDD RESOURCES — Learn TDD: The ReadME Project: Unit tests, tips and examples: Generate unit tests: Writing unit tests: — CHAPTERS — 00:00 Introduction to Testing 00:41 What is TDD? 01:11 What is Testing? 02:00 Why Unit Tests Matter 02:42 Creating Unit Tests with GitHub Copilot 04:00 Breaking down Test-Driven Development (TDD) 04:39 Red, Green, Refactor 06:07 Writing Tests for Nonexistent Code 07:24 Best Practices for Unit Testing 08:26 Wrapping Up and Resources Stay up-to-date on all things GitHub by subscribing and following us at: YouTube: Blog: X: LinkedIn: Instagram: TikTok: @github Facebook: About GitHub: It’s where over 100 million developers create, share, and ship the best code possible. It’s a place for anyone, from anywhere, to build anything—it’s where the world builds software.