TriggerTest: fix test starting from pickle

It should have been done in !68914 (merged) but was overlooked.

Cheers, Bertrand

This merge request affects 1 package:

• Trigger/TrigValidation/TriggerTest

This merge request affects 1 file:

• Trigger/TrigValidation/TriggerTest/test/test_trig_mc_v1Dev_slice_reprodWithPS_grid.py

Adding @martindl ,@vmartin ,@okumura as watchers

added Trigger main review-pending-level-1 labels

CI Result SUCCESS (hash 4a51e88c)

	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-EL9 4815]

Looks good to me. L1

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

mentioned in commit 6398f336

merged