tests: glob seconds in test-upgrade-repo.t

I had the test failing locally for me with diff showing `1.4s` instead of 0.0s

Differential Revision: https://phab.mercurial-scm.org/D6161

tests/test-upgrade-repo.t

@@ -498,7 +498,7 b' unless --no-backup is passed'
   starting in-place swap of repository data
   replaced files will be backed up at $TESTTMP/upgradegd/.hg/upgradebackup.* (glob)
   replacing store...
-  store replacement complete; repository was inconsistent for 0.0s
+  store replacement complete; repository was inconsistent for * (glob)
   finalizing requirements file and making repository readable again
   removing old repository content$TESTTMP/upgradegd/.hg/upgradebackup.* (glob)
   removing temporary repository $TESTTMP/upgradegd/.hg/upgrade.* (glob)