We need to produce a 2-3 sentence plain-text summary, objective, factual, no marketing, no superlatives, no calls to action. Must be at most 60 words. No quotes, no markdown, no bullet points, no headings. Just plain text. Summarize: skill executes and generates xUnit tests for C#/.NET projects with FluentAssertions and Moq support. Problem: need to automate test creation and execution, ensuring test coverage and correctness. When to use: when developing C#/.NET code and want to generate unit tests quickly or run existing tests. Word count: aim ~30-40 words.