Testing fails

[BeastyBlacksmith]

Running the tests locally results in the following error on macOS using julia 1.0.2

async: Error During Test at /Users/christ/.julia/packages/JSON/ebvl3/test/runtests.jl:61
  Got exception outside of a @test
  LoadError: DNSError: localhost, unknown node or service (EAI_NONAME)
  Stacktrace:
   [1] getalladdrinfo(::String) at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Sockets/src/addrinfo.jl:98
   [2] getaddrinfo at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Sockets/src/addrinfo.jl:116 [inlined]
   [3] getaddrinfo at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Sockets/src/addrinfo.jl:125 [inlined]
   [4] connect!(::TCPSocket, ::String, ::Int64) at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Sockets/src/Sockets.jl:435
   [5] connect at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Sockets/src/Sockets.jl:443 [inlined]
   [6] connect(::String, ::Int64) at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Sockets/src/Sockets.jl:427
   [7] top-level scope at none:0
   [8] include at ./boot.jl:317 [inlined]
   [9] include_relative(::Module, ::String) at ./loading.jl:1044
   [10] include(::Module, ::String) at ./sysimg.jl:29
   [11] include(::String) at ./client.jl:392
   [12] macro expansion at /Users/christ/.julia/packages/JSON/ebvl3/test/runtests.jl:62 [inlined]
   [13] macro expansion at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Test/src/Test.jl:1083 [inlined]
   [14] macro expansion at /Users/christ/.julia/packages/JSON/ebvl3/test/runtests.jl:62 [inlined]
   [15] macro expansion at /Users/osx/buildbot/slave/package_osx64/build/usr/share/julia/stdlib/v1.0/Test/src/Test.jl:1083 [inlined]
   [16] top-level scope at /Users/christ/.julia/packages/JSON/ebvl3/test/runtests.jl:56
   [17] include at ./boot.jl:317 [inlined]
   [18] include_relative(::Module, ::String) at ./loading.jl:1044
   [19] include(::Module, ::String) at ./sysimg.jl:29
   [20] include(::String) at ./client.jl:392
   [21] top-level scope at none:0
   [22] eval(::Module, ::Any) at ./boot.jl:319
   [23] macro expansion at ./logging.jl:317 [inlined]
   [24] exec_options(::Base.JLOptions) at ./client.jl:219
   [25] _start() at ./client.jl:425
  in expression starting at /Users/christ/.julia/packages/JSON/ebvl3/test/async.jl:36
Test Summary:  | Pass  Error  Total
Integration    |   71      1     72
  async        |           1      1
  indentation  |    2             2
  JSON Checker |   68            68
ERROR: LoadError: Some tests did not pass: 71 passed, 0 failed, 1 errored, 0 broken.
in expression starting at /Users/christ/.julia/packages/JSON/ebvl3/test/runtests.jl:54
ERROR: Package JSON errored during testing

[TotalVerb]

The test that's failing looks to be some test with JSON on network streams. Does your system have an unusual networking configuration?