Sweeping !31924 from 21.2 to master. Move MMC TrackInfo classes into MMCTest namespace.

Move MMC TrackInfo classes into MMCTest namespace.

See merge request !31924 (merged)

added sweep:from 21.2 label

Adding original author @jojungge as watcher.

This merge request affects 1 package:

• PhysicsAnalysis/MuonID/MuonIDAnalysis/MuonMomentumCorrections

Adding @fsforza ,@szambito ,@gabarone ,@nkoehler ,@gartoni ,@jojungge as watchers

added Analysis master review-pending-level-1 labels

CI Result SUCCESS (hash 10d2a5bb)

	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 12322]

Looks good, approving --L1

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

merged

mentioned in commit 535bf386

added sweep:ignore label