Fix test_Digi_tf_mc21a_ttbar_no_pileup.sh ART job (ATLASSIM-5662)
There was a typo in the conditions tag name used.
This MR only affects an ART script, so the CI pipeline will not test these changes.
There was a typo in the conditions tag name used.
This MR only affects an ART script, so the CI pipeline will not test these changes.