Use `writeAllAsync` instead of `writeAsync` to avoid truncated output

hhvm / hacktest

A unit testing framework for Hack

MIT License

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Use `writeAllAsync` instead of `writeAsync` to avoid truncated output #104

Closed fredemmott closed 3 years ago

fredemmott commented 3 years ago

HSL IO change for this was quite a while back; writeAsync will wait until a write is possible, then do exactly one write, which could result in partial success.