This blog post discusses the effectiveness of GitLab Duo in generating automated tests and the significant improvements in test coverage achieved by a development team. The team started with 0% test coverage and used GitLab Duo to methodically create new tests, ultimately achieving 84% coverage in just two days, a substantial improvement from the prior 74%. The article highlights the efficiency gains and confidence the team now has in rolling out new features thanks to GitLab Duo's capabilities. While the results are promising, the post ends with a promotional note inviting readers to try GitLab Duo's free trial.