fix: a test in database.ts (#1715)
fix: a test in database.ts (#1715)

Test was failing because left-overs from earlier tests were left in the database.  Fixed so left-overs can't affect new tests.
googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots,googleapis/repo-automation-bots