Andrey Butok delivered a targeted refactor of Bluetooth test configurations in the kholia/zephyr repository, focusing on the smp_svr sample. He improved configuration management by relocating Bluetooth harness and tags from a shared common area directly into the relevant Bluetooth test cases, ensuring that settings were accurately mapped to their respective test suites. This approach, implemented using YAML, reduced the risk of misconfiguration and enhanced both maintainability and readability of the test setup. Andrey’s work enabled faster iteration cycles and more reliable validation of Bluetooth functionality, demonstrating a methodical application of configuration management principles within a complex testing environment.