add TCT test to check file merging

Add a test for merging of AOD, DAOD_IDTIDE, DESD_MCP pool files with the same configuration as currently used at Tier0. It will read unmerged inputs from cvmfs (a recent run reconstructed with release 23.0.31) rather than running a dedicated reconstruction step. Output comparisons are enabled (against the previous nightly), only for a small number of events (5) as the main purpose would rather be to catch missing branches or metadata differences.

@wlampl

This merge request affects 1 package:

• Tools/Tier0ChainTests

This merge request affects 1 file:

• Tools/Tier0ChainTests/test/test_poolMerging_data23.sh

added 23.0 Tools review-pending-level-1 labels

CI Result SUCCESS (hash 9ac04f75)

	Athena
externals
cmake
make
tests

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Athena: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 72466]

added review-approved label

removed review-pending-level-1 label

mentioned in commit bcc4f03f

merged

mentioned in merge request !63576 (merged)