[tor-bugs] #30063 [Core Tor/Chutney]: Add unit tests to chutney, and run them in Travis

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#30063: Add unit tests to chutney, and run them in Travis
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     Reporter:  teor     |      Owner:  teor
         Type:  defect   |     Status:  assigned
     Priority:  Medium   |  Milestone:
    Component:  Core     |    Version:
  Tor/Chutney            |   Keywords:  chutney-ci, network-team-
     Severity:  Normal   |  roadmap-2019-Q1Q2
Actual Points:           |  Parent ID:  #29729
       Points:           |   Reviewer:
      Sponsor:           |
  Sponsor19              |
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 In #29729, we want to add unit tests for each chutney module.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30063>
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