add test class DbSyncTestCase
add test case for migration database sync
Story: 2007082
Task: 38152
Depends-on: https://review.opendev.org/#/c/702823/
Signed-off-by: SidneyAn <ran1.an@intel.com>
Signed-off-by: chenyan <yan.chen@intel.com>
Change-Id: I8121dedae7e4319a454dc128a591f74ef066c149