testsuite: Ignore stderr in PartialDownsweep

Authored by bgamari on Nov 7 2019, 9:09 AM.

Description

testsuite: Ignore stderr in PartialDownsweep

As described in Trac #17449, PartialDownsweep is currently fragile due to its
dependence on the error messages produced by the C preprocessor. To eliminate
this dependence we simply ignore stderr output, instead relying on the fact
that the test will exit with a non-zero exit code on failure.

Fixes Trac #17449.

Details

Committed
Marge Bot <ben+marge-bot@smart-cactus.org>Nov 9 2019, 5:03 PM
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rGHC4d523cb142f6: testsuite: Mark T17414 as fragile on Windows
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Marge Bot <ben+marge-bot@smart-cactus.org> committed rGHCf73fbd2dac42: testsuite: Ignore stderr in PartialDownsweep (authored by bgamari).Nov 9 2019, 5:03 PM