Tracking mobile app failing tests is crucial for identifying development blockers, improving testing processes, and increasing efficiency. By analyzing test failure rates with Bitrise Insights, teams can identify areas where people often wait during the development process, reduce context switching and waiting time, and minimize time spent on resolving test failures. The platform provides a range of tools to track and analyze test failure rates, including charts and tables that show data for individual apps, test suites, and test cases, allowing teams to focus on specific issues and improve their testing processes over time. By reducing wait time and increasing productivity, teams can improve the overall efficiency of their development process.