- migrate backup test cases from old framework to new framework.
- Add test case for test_verify_backup_central,
test_verify_backup_local_custom_path.
Change-Id: I6107c02d5aa383ec94b5c9c7bf76eeffa6e57d78
Signed-off-by: Swapna Gorre <swapna.gorre@windriver.com>