D3059: tests: use `hg unbundle` instead of `hg pull` in some tests

[indygreg (Gregory Szorc)]

indygreg added a comment.


  In https://phab.mercurial-scm.org/D3059#49559, @durin42 wrote:
  
  > Quick question before I'm okay with this: do we still have an explicit test of `hg pull` from a bundle somewhere?
  >
  > If so, this is strictly an improvement, since pull-from-bundle is slower than straight-unbundle.
  
  
  It has to be evaluated on a case-by-case basis. I attempted to only make changes where the test was simply adding revisions to a repo and not testing behavior w.r.t. exchange. That being said, I audited this again and found at least one error. So will submit a follow-up.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D3059

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