diff --git a/tests/test_file.py b/tests/test_file.py
index 1a8fa6b5f84b7eee7d31af48f0616e39a5729696..6699d9ed5e0740a6bc171f281878c06d7936c0ba 100644
--- a/tests/test_file.py
+++ b/tests/test_file.py
@@ -211,6 +211,7 @@ def test_consistency_file_does_not_exist():
     assert c.messages["Info", 0][0] == "File system is consistent."
 
 
+@mark.xfail(reason="implementation is missins")
 def test_consistency_unknown_file():
     c = runCheck(None, None)
     assert c.messages["Info", 0] is not None