[LTP] [PATCH v1] Add config check for systems that do not support CONFIG_XFS_FS.

[Cyril Hrubis]

Hi!
There was a bug in the test library filesystem availability check,
should have been fixed by:

commit 5e1e0e2d81e564df09542b7caa2a66928c05dd3a
Author: Cyril Hrubis <chrubis@suse.cz>
Date:   Mon Oct 27 16:09:24 2025 +0100

    lib/tst_test: Fix FS kernel supported check


-- 
Cyril Hrubis
chrubis@suse.cz