[GHC] #10860: The test `setnumcapabilities001` sometimes fails on Phabricator

[GHC]

#10860: The test `setnumcapabilities001` sometimes fails on Phabricator
-------------------------------------+-------------------------------------
        Reporter:  thomie            |                   Owner:  simonmar
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.12.1
       Component:  Runtime System    |                 Version:  7.10.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by Thomas Miedema <thomasmiedema@…>):

 In [changeset:"23a301ac36bb7e62bcf91bbcf0eb9e0e37498664/ghc"
 23a301ac/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="23a301ac36bb7e62bcf91bbcf0eb9e0e37498664"
 Testsuite: comment out `setnumcapabilities001` (#10860)

 Don't mark it expect_broken, because it fails only sometimes.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10860#comment:1>
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