Add new ART testers
Added full-chain ART tests on a few JOs, aiming at testing generation->merge->Sim->Reco sequence.
Also Added testers for testing simulation and Reco using EVGEN files produced from rel.21.6
Edited by Luzhan Yue
Added full-chain ART tests on a few JOs, aiming at testing generation->merge->Sim->Reco sequence.
Also Added testers for testing simulation and Reco using EVGEN files produced from rel.21.6