e4050ff test: mark knot.conf tmpfiles config as optional

Authored and Committed by mrc0mmand 2 years ago
    test: mark knot.conf tmpfiles config as optional
    
    Since it got removed in the recent knot release.
    
    See: https://github.com/CZ-NIC/knot/commit/a6971a4025133a77b29f6d2b381b40dc0499730c
    
        
file modified
+6 -0