Explore the essential practice of software testing in this 36-minute video from Microsoft's DevOps for ASP.NET Developers series. Discover the benefits of unit testing, various approaches to writing tests, and the differences between unit and integration testing. Learn how to write tests in .NET Core and run them in Azure DevOps pipelines. Gain insights into test execution times and how testing improves software quality, stability, and maintainability while boosting developer confidence.