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
#require emacs
$ emacs -q -no-site-file -batch -l $TESTDIR/../contrib/hg-test-mode.el \
> -f ert-run-tests-batch-and-exit
Running 1 tests (*) (glob)
passed 1/1 hg-test-mode--compilation-mode-support
Ran 1 tests, 1 results as expected (*) (glob)