During December 2024, this developer enhanced the test infrastructure for SafeIntLib by introducing robust mocking capabilities across the acidanthera/audk and microsoft/mu_basecore repositories. They implemented Google Mock-based testing support in C++ for SafeIntLib within MdePkg, updating build configurations and integrating new mock headers and sources. In mu_basecore, they developed a dedicated SafeIntLib mock and incorporated its INF into the build system, improving test reliability for integer arithmetic code. Their work focused on embedded systems development, build system configuration, and unit testing, enabling safer code changes and earlier detection of regressions in components dependent on SafeIntLib functionality.