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test() should error on uncaught output #7847

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#7884
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test() should error on uncaught output#7847
#7884
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beginner-tasktests

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@MichaelChirico
MichaelChirico
opened on Jul 26, 2026
test(1, { cat("123\n"); TRUE })
# 123

That should error IMO, much as we error for uncaught warnings/messages:

test(1, { message("123\n"); TRUE })
Test 1 produced 1 messages but expected 0
Expected: 
Observed: 123

This will help keep the test log clean and is also a best practice IMO.

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