Enabled LumiBlockMuWriter in testCommonSliceAthenaTrigRDOtoAOD

Fixes trig_mc_v7Primaries_aod_grid ART test

Partially addresses ATR-21493

This merge request affects 1 package:

• Trigger/TrigValidation/TriggerTest

Adding @hartj ,@jpanduro as watchers

added Trigger master review-pending-level-1 labels

CI Result SUCCESS (hash c810b4f7)

	Athena	AthSimulation	AnalysisBase	AthGeneration
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 15540]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit fafe2b8f

added sweep:ignore label