Worked on the nordvpn-linux repository to enhance automated testing reliability by developing the sh_no_tty utility, which executes shell commands without allocating a TTY. This utility was integrated into meshnet tests, replacing direct shell calls in meshnet.py and related test files. The approach reduced test flakiness and improved continuous integration stability, supporting more dependable release processes. The work involved Python refactoring, shell scripting, and automation, focusing on strengthening CI confidence and software quality. By addressing the challenges of non-interactive environments, the developer contributed to more robust test automation and streamlined the testing workflow for the NordSecurity/nordvpn-linux project.