Adapt expected FATALs in test_DTF following scheduler changes

DaVinciTests/tests/qmtest/davinci.qms/test_DTF.qmt

@@ -35,6 +35,6 @@ See https://gitlab.cern.ch/lhcb/Rec/-/issues/408
 <argument name="exit_value"><text>Failed</text></argument>
 <argument name="validator"><text>
 findReferenceBlock("""DTF_dimuons                           ERROR DecayTreeFitter::DecayChain : To-be constrained particle is not in chain.""")
-countErrorLines({"FATAL":14, "ERROR":9})
+countErrorLines({"FATAL":12, "ERROR":9})
 </text></argument>
 </extension>