Sweeping !35066 from 21.0 to master. fix runtime error test_MC16_G4FastCalo_ttbar.sh ( ATLASSIM-4674)

Atlas Nightlybuildrequested to merge
cherry-pick-8b1782f4c5-master into master

fix runtime error test_MC16_G4FastCalo_ttbar.sh ( ATLASSIM-4674)

See merge request !35066 (merged)

Merge request reports