Cherry pick 55883

Manual cherry pick of !55883 (merged)

assigned to @jojungge

This merge request affects 1 package:

• MuonSpectrometer/MuonValidation/MuonTesterTree

This merge request affects 2 files:

• MuonSpectrometer/MuonValidation/MuonTesterTree/MuonTesterTree/MuonTesterBranch.h
• MuonSpectrometer/MuonValidation/MuonTesterTree/Root/MuonTesterBranch.cxx

Adding @rosati ,@wleight ,@stavrop ,@jojungge ,@apsallid ,@pscholer as watchers

added 22.0 MuonSpectrometer review-pending-level-1 labels

CI Result SUCCESS (hash 8a37d394)

	Athena	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 57460]

Cherry pick looks good, approving - L1

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

added review-approved-point1 label

mentioned in commit 814e2931

merged

Please next time actually sweep lines in the same order as this caused compilation errors with master merge This was technically not a sweep.

mentioned in merge request !55949 (merged)