QA output created by 573

# FS_IOC_ENABLE_VERITY doesn't require root

# FS_IOC_ENABLE_VERITY requires write access
Permission denied

# FS_IOC_ENABLE_VERITY requires !append-only
ERROR: FS_IOC_ENABLE_VERITY failed on 'SCRATCH_MNT/file.fsv': Operation not permitted

# FS_IOC_ENABLE_VERITY requires !immutable
ERROR: FS_IOC_ENABLE_VERITY failed on 'SCRATCH_MNT/file.fsv': Operation not permitted

# FS_IOC_MEASURE_VERITY doesn't require root