[tor-bugs] #27913 [Core Tor/Tor]: Add test-stem to travis-ci if possible

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#27913: Add test-stem to travis-ci if possible
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 Reporter:  nickm         |          Owner:  (none)
     Type:  enhancement   |         Status:  merge_ready
 Priority:  High          |      Milestone:  Tor: 0.3.5.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  ci travis     |  Actual Points:
Parent ID:                |         Points:
 Reviewer:  catalyst      |        Sponsor:
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Comment (by nickm):

 Okay, I've rebased this onto 0.3.5 and made a fresh PR as
 https://github.com/torproject/tor/pull/454 .

 (Since 0.3.5 is our LTS it makes sense for us to do this kind of thing
 there.)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27913#comment:16>
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