What is the Test Results Trend (Advanced) dashboard widget good for in Azure DevOps?

This widget provides near real-time visibility into test data for multiple builds and releases. The widget shows a trend of your test results for selected pipelines. You can use it to track the daily count of test, pass rate, and test duration. Tracking test quality over time and improving test collateral is key to maintaining a healthy DevOps pipeline. The widget supports tracking advanced metrics for one or more build pipelines or release pipelines. The widget also allows filtering of test results by outcome, stacking metrics, and more.