Fix pipeline

Move the 'varGroupPrefix' from variable to parameter
2 jobs for !39 with slb-fix-ado-pipeline in 11 minutes and 49 seconds (queued for 2 seconds)
latest detached
Status Name Job ID Coverage
  Review
passed trigger-trusted-tests #251765
osdu-small

00:11:49

failed trigger-trusted-tests #251745
osdu-small

00:00:44