Worked on the Homebrew/homebrew-test-bot repository to implement Test Environment Branch Alignment, ensuring that continuous integration testing consistently uses the main branch of the testbottest formula. This involved configuring Git settings and managing formula updates in Ruby to specify the HEAD branch explicitly, reducing environment drift between main and test environments. The approach focused on stabilizing the CI infrastructure, allowing for more reliable and accurate test results without introducing new bugs. By aligning the test environment with the main development branch, the work improved feedback speed for developers and enhanced the overall consistency of automated testing workflows within the project.