tests: test e2fsck recovery of corrupt revoke blocks

Test e2fsck' ability to deal with (a) revoke blocks with a bad
checksum and (b) revoke blocks with an obviously bad block number.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
8 files changed