Sweeping !21070 from 21.0 to master. Update diff-root tests for DigitizationTests ART jobs (!21122) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-224535080e-master into master Feb 14, 2019

Update diff-root tests for DigitizationTests ART jobs

See merge request !21070 (merged)