As with the other testing frameworks that are part of Visual Studio, your first step in creating xUnit tests is to use Add > New Project to add a testing project (you can do that either from Visual ...
GitHub Copilot testing for .NET in Visual Studio 2026 v18.3 can generate tests for the xUnit, NUnit, and MSTest test frameworks.
The new xUnit Testing Framework that's part of .NET Core works differently from the testing frameworks you're used to. During a test run, the other Visual Studio frameworks instantiate your test class ...
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