FTagAnalysisAlgorithms: Fix discovery of unit tests.

Need to specify a pattern for unit test discovery --- the default won't match anything. Fixes a failure seen with python 3.12, where unittest will fail if it doesn't find any tests.

This merge request affects 1 package:

• PhysicsAnalysis/Algorithms/FTagAnalysisAlgorithms

This merge request affects 2 files:

• PhysicsAnalysis/Algorithms/FTagAnalysisAlgorithms/CMakeLists.txt
• PhysicsAnalysis/Algorithms/FTagAnalysisAlgorithms/test/ut_FTagMCMCfromTDP.py

Adding @bdong ,@krumnack ,@tadej as watchers

added Analysis CPAlgorithms analysis-review-required main review-pending-level-1 labels

CI Result SUCCESS (hash da5783de)

	Athena	AnalysisBase	AthAnalysis
externals
cmake
make
tests

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Athena: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 10083] (remote access info)

This is a simple test update/fix, so approving for AR.

Nils [Analysis RC]

added analysis-review-approved label and removed analysis-review-required label

Changes look good - approving

L1 shifter

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

merged

mentioned in commit e6274ea5