tests/test-mq-qsave.t

verify: avoid spurious integrity warnings in verbose mode (issue6172)

The issue seems to revolve around renames in filtered commits, and only occurred
in verbose mode.  The problem occurs in the `# check renames` stage, around line
577.  Without using the unfiltered repo, this test would have printed:

    $ hg verify -v
    repository uses revlog format 1
    checking changesets
    checking manifests
    crosschecking files in changesets and manifests
    checking files
     foo@25: checking rename of 71ec0570c325: filtered revision '25'
     foobar@26: checking rename of 1b549296015b: filtered revision '26'
    checked 28 changesets with 16 changes to 11 files
    2 integrity errors encountered!
    (first damaged changeset appears to be 25)
    [1]

Differential Revision: https://phab.mercurial-scm.org/D7950

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "mq=" >> $HGRCPATH

  $ hg init

  $ echo 'base' > base
  $ hg ci -Ambase
  adding base

  $ hg qnew -mmqbase mqbase

  $ hg qsave
  $ hg qrestore 2
  restoring status: hg patches saved state