- migrate backup test cases from old framework to new framework.
- Add test cases for test_delete_backup_central,
test_delete_backup_local
- Implement keywords related to backup operations.
Change-Id: I3d3749951353196ac3e5da433eb0986e6d2e61e3
Signed-off-by: Swapna Gorre <swapna.gorre@windriver.com>