Improve timer test #2099

Job	Run time
tracking-with-pose	1m 24s
tracking-methods (ubuntu-latest, 3.11)	1m 31s
tracking-methods (macos-14, 3.11)	1m 16s
export-reid-models	2m 40s
mot-metrics-benchmark (ubuntu-latest, 3.9)	2m 33s
evolution (ubuntu-latest, 3.9)	2m 10s
mot-metrics-benchmark (ubuntu-latest, 3.11)	2m 20s
evolution (ubuntu-latest, 3.11)	1m 57s
tests	2m 17s
tracking-with-seg	1m 11s
tracking-with-yolos	1m 31s
check-failures	1s
	20m 51s

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