Test Issue: jsoncpp

[vvolkl]

spack install --test=all jsoncpp

results in

==> Installing jsoncpp-1.9.4-cwclqlxopauo7gyvzb56qdpk5tjaqdkk
==> No binary for jsoncpp-1.9.4-cwclqlxopauo7gyvzb56qdpk5tjaqdkk found: installing from source
==> Fetching https://spack-llnl-mirror.s3-us-west-2.amazonaws.com/_source-cache/archive/e3/e34a628a8142643b976c7233ef381457efad79468c67cb1ae0b83a33d7493999.tar.gz
==> No patches needed for jsoncpp
==> jsoncpp: Executing phase: 'cmake'
==> jsoncpp: Executing phase: 'build'
==> Error: ProcessError: Command exited with status 2:
    'make' '-j4' 'test'
1 error found in build log:
     256    
     257    Total Test time (real) =   1.70 sec
     258    
     259    The following tests FAILED:
     260    	  2 - jsoncpp_readerwriter_json_checker (Failed)
     261    Errors while running CTest
  >> 262    make: *** [test] Error 8
See build log for details:
  /tmp/gitlab-runner/spack-stage/spack-stage-jsoncpp-1.9.4-cwclqlxopauo7gyvzb56qdpk5tjaqdkk/spack-build-out.txt

[tldahlgren]

Note the upstream issue: open-source-parsers/jsoncpp#1136

[tldahlgren]

And a (temporary) "fix": #24774