Tips for reproducing flaky Go tests

[ma...@influxdata.com]

I put together a blog post on reproducing flaky Go tests: https://www.influxdata.com/blog/reproducing-a-flaky-test-in-go/

This was the result of what I've learned spending many, many hours hunting down many unreliable tests.

I hope these tips can help you out next time you have a test that fails in CI but passes locally.

[Maxim Fateev]

I wish Go had a deterministic execution mode with predefined randomization seed. The to reproduce such test you would only need a single seed number. We built such system for testing our distributed application and it was very useful to track rare race conditions. 

[Steven Hartland]

We’ve found stress invaluable in helping to reproduce flaky tests

https://godoc.org/golang.org/x/tools/cmd/stress

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