Take advantage of the Moq open source library to isolate application code from dependencies for testing.

Using WebDriver with C# The C# WebDriver gives you .NET bindings for the API calls, letting you build and run your own test scripts without having to stand up an instance of the Selenium server.

Development Testing For C# Applications How to eliminate critical issues in your C# code.

Microsoft announced the preview release of C# Dev Kit, a new extension for Visual Studio Code intended to improve the C# development experience on Linux, macOS, Windows and more.

Test projects give you a way to exercise your code to see if it works but they're also part of your project's 'permanent record.' If all you want to do is try something out with some throwaway code, C ...