Fixes for TrigAnalysisTest in 21.1

fix name of regtest file in art-output

This merge request affects 1 package:

• Trigger/TrigValidation/TrigAnalysisTest

Adding @hartj ,@rbielski as watchers

added 21.1 Trigger review-pending-level-1 labels

CI Result SUCCESS

	AthenaP1
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-23029-2019-04-29-15-01
AthenaP1: number of compilation errors 0, warnings 162
For experts only: Jenkins output [CI-MERGE-REQUEST 37774]

Trivial change, approving and merging

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 2460161f

added sweep:ignore label