Go 1.25 testing/synctest: No More Flaky Concurrent Tests

Three green tests locally, two red on CI. The outcome depends on how busy the build server is that day. This isn't a logic bug — it's a time.Sleep that assumes 100 ms is always enough for a goroutine to finish. That test doesn't verify anything. It gambles. testing/synctest , stable since Go&nb…

• Source: dev.to
• Category: ai
• Signal strength: just now

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