[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2375: make tests work under a non-ASCII path

[Tahoe-LAFS]

#2375: make tests work under a non-ASCII path
------------------------+--------------------------------
     Reporter:  daira   |      Owner:  daira
         Type:  defect  |     Status:  new
     Priority:  normal  |  Milestone:  undecided
    Component:  code    |    Version:  1.10.0
   Resolution:          |   Keywords:  unicode tests i18n
Launchpad Bug:          |
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Comment (by daira):

 After fixing a missing call to `unicode_to_argv` in
 `test_cli.CLITestMixin.do_cli` which caused the "Parameter type
 enforcement failed" errors, this is down to:
 {{{
 FAILED (skips=5, expectedFailures=3, failures=2, errors=9, successes=1145)
 }}}

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2375#comment:1>
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