fix(fvt): check err before usage #3338
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Signed-off-by: Dominic Evans <[email protected]>
Previously the test was sharing a client instance between the producer and consumer, but this appeared to end up with some shared state and a data race on the broker. Give the producer its own dedicated client instance instead. Signed-off-by: Dominic Evans <[email protected]>
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More examples where this errcheck had been misplaced