Adding do_skim to tour mode choice #877

Job	Run time
linux-64-py3.10	10m 39s
random_seed_generation_test	4m 51s
win-64	13m 28s
Estimation Mode Unit Tests	8m 7s
prototype_mtc_extended	1h 30m 12s
macOS	4m 28s
placeholder_psrc	45m 28s
prototype_mtc	51m 11s
prototype_marin	3m 40s
prototype_sandag_xborder	6m 51s
Standard 1-Zone Example (MTC)	6m 30s
prototype_mwcog	51m 59s
placeholder_sandag	1h 48m 2s
production_semcog	7m 22s
placeholder_multiple_zone	10m 30s
Standard 2-Zone Example (SANDAG)	1h 12m 22s
develop-docbuild	0s
	8h 15m 40s

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