validate, merge and restore do not honor FILE_NOT_FOUND #72
Description
validate with subj will give false-positive alarm about corruption, with restore and merge it may lead to storing unneeded files.
validate test:
======================================================================
FAIL: test_backup_concurrent_drop_table (tests.backup.BackupTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "tests/backup.py", line 1045, in test_backup_concurrent_drop_table
self.assertEqual(show_backup['status'], "OK")
AssertionError: u'CORRUPT' != 'OK'
----------------------------------------------------------------------
Ran 1 test in 13.500s
FAILED (failures=1)