D1883: tests: get run-tests to reliably hand shellquote a string and not a bytes

[indygreg (Gregory Szorc)]

indygreg accepted this revision.
indygreg added a comment.
This revision is now accepted and ready to land.


  This patch didn't seem correct to me at first because `str` is a different type in Python 2 and 3. But if the desired result is to get a `bytes`, then the logic does seem to check out.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1883

To: durin42, #hg-reviewers, indygreg
Cc: indygreg, mercurial-devel