Peter Waldschmidt upgraded the testing framework components in the dotnet/aspire repository to enable MTP test support, focusing on xUnit.v3, xUnit Analyzers, and xUnit Runner for Visual Studio. He applied and validated a targeted update, ensuring the test suite remained compatible while laying the foundation for future improvements. His work centered on build management and testing frameworks, using XML to manage configuration changes. By modernizing the testing infrastructure, Peter reduced maintenance risk and improved the project’s ability to support evolving test requirements. The depth of his contribution was in establishing a stable, extensible base for ongoing quality assurance.