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Flakiness.io

Test Health Calendar

Flakiness.io lets you explore test history at three levels:

  • Project history — overall test health across the entire project
  • Environment history — test health within a specific environment (e.g., Linux, Windows, Chrome)
  • Test history — the history of an individual test within a specific environment

Each history view is strictly scoped to a single branch. Experimental branches never spoil your test data — only results from the branch you’re viewing are included.

Test Health Calendar showing daily test status over 3 months

Every history view shows a Test Health Calendar — a GitHub-style calendar heatmap covering 3 months. Each tile represents a single day, colored by the Aggregated Status at the end of that day in the project’s timezone.

Click any tile to drill into that day’s results and see exactly which tests passed, failed, or flaked.