[GHC] #15972: Test nofib tests for correctness in CI

[GHC]

#15972: Test nofib tests for correctness in CI
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        Reporter:  bgamari           |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.9
       Component:  Continuous        |              Version:  8.6.2
  Integration                        |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by sgraf):

 We recently committed https://phabricator.haskell.org/D4989 which adjusted
 some benchmarks to run for a longer time.
 There might be some stdout files which weren't adjusted.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15972#comment:1>
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