This text delves into best practices for maintaining test suites over time, emphasizing the challenges teams face in updating existing tests due to evolving application UIs. It highlights the importance of reducing false positives, using reliable locators, and fine-tuning alerts to ensure test resilience and relevance across environments. The text underscores the significance of making tests easy to understand and maintain by eliminating unnecessary steps, using descriptive titles, and consolidating workflows to reduce duplication. Leveraging a unique test suite across different environments simplifies testing and minimizes duplication, while integration with CI workflows enhances collaboration and test coverage. Tools like Datadog are suggested for maintaining test reliability and facilitating troubleshooting by providing deep visibility into test failures.