During October 2025, Nazar focused on enhancing the testing infrastructure for user access permissions in the CenterForOpenScience/angular-osf repository. He refactored existing test cases using Angular and TypeScript, improving the accuracy of permission checks and removing redundant tests related to social links. By streamlining the test suite and applying targeted fixes, Nazar reduced CI flakiness and shortened feedback loops, which enabled faster validation of changes to access controls. His work emphasized unit testing and test-driven development, reinforcing code quality and maintainability within a large front end codebase that supports research workflows. The depth of changes addressed both reliability and efficiency.