not ok 267 parallel/test-child-process-exit-code
  ---
  duration_ms: 1.127
  severity: fail
  exitcode: 1
  stack: |-
    assert.js:86
      throw new AssertionError(obj);
      ^
    
    AssertionError [ERR_ASSERTION]: Expected values to be strictly equal:
    
    null !== 23
    
        at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux-containered/test/parallel/test-child-process-exit-code.js:31:10)
        at ChildProcess.<anonymous> (/home/iojs/build/workspace/node-test-commit-linux-containered/test/common/index.js:335:15)
        at ChildProcess.emit (events.js:189:13)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:254:12)
  ...