[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:  needs_revision
 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 teor):

 It's important that we have the stem version and git commit id, *even if*
 stem doesn't launch. (Or **particularly if** stem doesn't launch.)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27913#comment:11>
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