Learn the fundamentals of unit testing C# code in this comprehensive 45-minute tutorial for beginners. Explore automated testing concepts, benefits, and types, including the test pyramid. Discover essential tools and write your first unit test while learning to test all execution paths. Gain confidence in refactoring code and understand how to use NUnit in Visual Studio. Delve into Test-Driven Development principles and get an overview of a complete C# unit testing course structure. Master the skills needed to improve code quality and reliability through hands-on examples and expert guidance.