This is a follow up patch for https://review.openstack.org/#/c/321041
This patch includes following items:
- Move test_sync to below _verify_account_reaped to be the actual tests
as a bunch
- Change the test name fron "test_sync" to "test_reap" to clarify the
purpose
- Fix a typo from "Object" to "Container" for an error message
Change-Id: I51bc01113056e2eb99f731d38e9f1c7a6c5c96be