Worked on stabilizing the test suite for the NuGet.Client repository, focusing on improving reliability and determinism in continuous integration workflows. Addressed a persistent issue with flaky tests by aligning TargetFramework constants across multiple test cases, ensuring consistent and predictable test outcomes. This involved updating test project configurations and applying targeted changes to the test infrastructure. Utilized .NET and C# to implement these updates, with an emphasis on unit testing best practices. The result was a more maintainable and robust test environment, leading to improved CI feedback loops and greater confidence in automated testing for ongoing development efforts.