Fix reference for DaVinciTests/tests/qmtest/functors.qms/test_thor_functors.qmt

Indeed the test has been failing in the nightlies.

added reference update testing labels

requested review from @pkoppenb

assigned to @erodrigu

See if you agree but this should fix most of the red we're seeing in the nightlies, and that's an OK sustainable situation. Ready for review and testing.

/ci-test

approved this merge request

added ci-test-triggered label

• [2023-03-31 10:24] Validation started with lhcb-master-mr#7496

resolved all threads

merged

mentioned in commit d333c4b6