Test error

gistfile1.txt

22:18:21.890 [info]  Protocol: 'inet_tcp': register/listen error: :econnrefused



  1) test start/3 and stop/0 (NodeTest)
     test/elixir/node_test.exs:6
     match (=) failed
     code: {:ok, _} = Node.start(:hello, :shortnames, 15000)
     rhs:  {:error,
            {{:shutdown, {:failed_to_start_child, :net_kernel, {:EXIT, :nodistribution}}},
             {:child, :undefined, :net_sup_dynamic, {:erl_distribution, :start_link, [[:hello, :shortnames, 15000]]}, :permanent, 1000,
              :supervisor, [:erl_distribution]}}}
     stacktrace:
       test/elixir/node_test.exs:8

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Finished in 15.6 seconds (11.7s on load, 3.9s on tests)
1797 tests, 1 failures

Randomized with seed 996881
make: *** [test_stdlib] Error 1