How do you run xUnit tests from the command line?

Short answer: Use the dotnet test CLI command: dotnet test YourTestProject.csproj This runs all tests in the project and outputs results in the console. Additional options allow filtering and outputting reports. NUnit Framework

Real-world example (ShopNest)

ShopNest unit tests cover pricing and discount rules so a bad coupon change fails in CI before customers see it.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.