Fix test_TestBeam_tf_configuration after !63310 (ATLASSIM-6583)

Merged John Derek Chapman requested to merge jchapman/athena:FixATLASSIM-6583_master into master

Minor tweak to expected properties for G4AtlasAlg in this test. Should fix ATLASSIM-6583. (Fix not required in 23.0 so requesting directly for master.)

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