Jakob Unterwurzacher 7d72baca69 tests: add TestHaveDotdot
As discovered by xfstests generic/401 [1], during the move to
the v2 api we seem to have lost the "." and ".." directory
entries.

[1]: 4ef5b032bc/screenlog.0 (L520)
2021-05-26 13:17:56 +02:00
..
2020-09-09 18:18:37 +02:00
2021-05-26 13:17:56 +02:00