TCT: Updating fixed references for the Run2 reprocessing tests
This MR makes the following changes:
- Updates the data Run2 reprocessing tests to use fixed references copied from /eos/atlas/atlascerngroupdisk/data-art/grid-output/22.0-mc20/Athena/x86_64-centos7-gcc8-opt/2021-12-30T2101/Tier0ChainTests
- Enables the comparison with fixed reference for mc20e Run2 reprocessing test
- Disables the comparison step for test in
Tools/TrfTestsART/test/test_trf_q221_r2a_mt.sh
Tagging @rmazini