Hard pruning tests currently do not verify if we've deleted layer links. One of two issues exist:
1. We've implemented this feature, but forgot to enable the tests.
2. We have not implemented layer link deletion.
This appears to have been an issue since we released hard pruning in 3.7.
Additional Info: https://github.com/openshift/origin/pull/23091#discussion_r291994333
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.