shipit_bot_uplift: Fix bug testing too many merges.
shipit_bot_uplift: Fix bug testing too many merges.

mozilla-releng/services,lundjordan/services,mozilla-releng/services,andrei987/services,La0/mozilla-relengapi,srfraser/services,lundjordan/services,lundjordan/services,srfraser/services,La0/mozilla-relengapi,La0/mozilla-relengapi,mozilla-releng/services,mozilla-releng/services,La0/mozilla-relengapi,garbas/mozilla-releng-services,srfraser/services,srfraser/services,garbas/mozilla-releng-services,garbas/mozilla-releng-services,andrei987/services,andrei987/services,lundjordan/services,andrei987/services,garbas/mozilla-releng-services