title: Travis-ci needs root privilege when using go test, how to set it?
body: <p>I have Go test file and it needs root privilege to run it (go test). How to set it in Travis ci?</p>
  
  <p>Here is yml:</p>
  
  <pre><code>language: go
  sudo: required
  go:
     - tip
  notifications:
    email:
       on_success: change
       on_failure: always
  </code></pre>
  
  <p>After git push, travis-ci build failing with default configure.</p>