BirdNest Tech Talk
Jun 11, 2025 · Backend Development
How Go’s New synctest Feature Eliminates Flaky Concurrent Tests
This article explains why Go tests that rely on goroutine scheduling are flaky, demonstrates the problem with concrete code examples, and shows how the experimental synctest feature provides deterministic execution by controlling synthetic time, coordinating goroutine lifecycles, and offering a reliable Wait primitive.
ConcurrencyGodeterministic
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