Improve timer test #2098

Job	Run time
evolution (ubuntu-latest, 3.9)	1m 51s
tracking-methods (ubuntu-latest, 3.11)	1m 35s
evolution (ubuntu-latest, 3.11)	1m 57s
export-reid-models	3m 6s
tracking-methods (macos-14, 3.11)	1m 51s
mot-metrics-benchmark (ubuntu-latest, 3.9)	2m 22s
tests	2m 10s
mot-metrics-benchmark (ubuntu-latest, 3.11)	2m 5s
tracking-with-pose	1m 29s
tracking-with-seg	1m 14s
tracking-with-yolos	1m 22s
check-failures	1s
	21m 3s

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