[tor-bugs] #30150 [Core Tor/Tor]: Fix coverity warnings in tests

[Tor Bug Tracker & Wiki]

#30150: Fix coverity warnings in tests
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 Reporter:  nickm         |          Owner:  nickm
     Type:  defect        |         Status:  needs_review
 Priority:  Medium        |      Milestone:  Tor: 0.4.1.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  041-should    |  Actual Points:  .1
Parent ID:  #30146        |         Points:
 Reviewer:  dgoulet       |        Sponsor:
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Changes (by asn):

 * reviewer:   => dgoulet


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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30150#comment:3>
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